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TOEFL / Structure

Total questions: 40

Worksheet time: 30mins

Name
Class
Date
1.

Today, the true story of _____ at Little Bighorn remains a mystery.

a)

Happened

b)

it happened

c)

what happened

d)

what happening

2.

For more than a decade, ____ that certain species are becoming scarce.

a)

(A) the warnings of bird-watchers

b)

(B) warn the bird-watchers

c)

(C) birdwatchers have warned

d)

(D) a warning for bird-watchers

3.

Early in the eighteenth century, Halley accurately predicted when ____ of 1682 would return.

a)

(A) the comet

b)

(B) was the comet

c)

(C) the comet was

d)

(D) had the comet

4.

No single factor explains why _____ vary so greatly among individuals.

a)

(A) aging affects

b)

(B) the effects of aging

c)

(C) aging has an effect

d)

(D) the aging effect

5.

Lack of clarity about ____ the party in the coming year will be removed at the party’s convention.

a)

(A) will lead

b)

(B) lead

c)

(C) they will lead

d)

(D) who will lead

6.

We do not ____ the bow drill was first developed for woodworking or fire making.

a)

(A) whether it

b)

(B) know whether it

c)

(C) know whether

d)

(D) sure whether

7.

7.Minute Man National Historical Park is a monument to where _____

a)

(A) the beginning of the Revolutionary War

b)

(B) in the beginning of the Revolutionary War

c)

(C) the Revolutionary War to begin

d)

(D) the Revolutionary War began

8.

8.Tests on the colors of cars were conducted at the University of California to determine _____ the safest colors for cars.

a)

(A) which

b)

(B) which were

c)

(C) if

d)

(D) how were

9.

The National Institute of Dental Research estimates _____ in fluoridated areas have about 25 percent less tooth decay than children elsewhere.

a)

(A) for school children

b)

(B) school children’s

c)

(C) that school children

d)

(D) that for school children

10.

10.The process of photosynthesis explains how ____ able to use the energy in sunlight to manufacture foods from the simple chemicals in air and water.

a)

(A) green plants

b)

(B) green plants are

c)

(C) planting greens

d)

(D) with green plants are

11.

A spacecraft is freed from friction ____ launched into space.

a)

it

b)

it is

c)

after is

d)

after it is

12.

____ with their surroundings, or they hide in crevices for protection.

a)

Lobsters

b)

Lobsters blend

c)

Lobsters blending

d)

Because lobsters blend

13.

_____ a ball-and-socket joint, the elbow is a simple hinge joint.

a)

While the shoulder

b)

While the shoulder is

c)

The shoulder is

d)

The shoulder

14.

A car has several sections with moving parts, _____ of those parts is essential.

a)

good lubrication

b)

well lubricated

c)

and good lubrication

d)

and well lubricated

15.

5. Bears cannot see well _____ small eyes.

a)

bears have

b)

because having

c)

because they have

d)

because of bears

16.

_____ at the Isthmus of Panama, so animals were able to migrate between North and South America.

a)

A land bridge existed

b)

When a land bridge existed

c)

A land bridge

d)

With a land bridge

17.

_______ mostly made of granite, it also contains some human-made materials.

a)

The Empire State Building

b)

The Empire State Building is

c)

Although the Empire State Building is

d)

Although the Empire State Building is built

18.

Pressure differences make the eardrum vibrate _____ the ear.

a)

enters the sound waves

b)

as sound waves

c)

sound waves enter

d)

as sound waves enter

19.

An optical microscope magnifies as much as 2,000 times, but an electron microscope ____ as much as a million times.

a)

magnifying

b)

it magnifies

c)

can magnify

d)

magnify it

20.

If scientific estimates are accurate, ____ with the Earth about 20,000 years ago.

a)

the Canon Diablo meteorite collided

b)

the collision of the Canon Diablo meteorite

c)

the Canon Diablo meteorite colliding

d)

colliding the Canon Diablo meteorite

21.
The speed of light is ___________ the speed of sound.
a)
faster
b)
much faster than
c)
the fastest
d)
as fast
22.
The use of detail is _______ method of developing a controlling idea, and almost all students employ this method.
a)
more common
b)
common
c)
most common
d)
the most common
23.
________ in Stevenson's landscapes, the more vitality and character the paintings seem to possess.
a)
The brushwork is loose
b)
The looser brushwork
c)
The loose brushwork is
d)
The looser the brushwork is
24.
A)Certain types of snakes B)have been known to survive C)fasts more D)as a year long.
a)
A
b)
B
c)
C
d)
D
25.
The grizzly bear, A)which can grow B)up to eight feet tall, has C)been called D)a more dangerous animal of North America.
a)
A
b)
B
c)
C
d)
D
26.
Climate, soil type, and A)availability of water B)are the most critical factors C)than selecting D)the best type of grass for a lawn.
a)
A
b)
B
c)
C
d)
D
27.
Peter Abelard, A)a logician and theologian was B)the C)controversialest teacher D)of his age.
a)
A
b)
B
c)
C
d)
D
28.
Protein molecules A)are B)the most complex C)than the D)molecules of carbohydrates.
a)
A
b)
B
c)
C
d)
D
29.
The A)leek, a member of the lily family has a B)mildest taste C)than the D)onion.
a)
A
b)
B
c)
C
d)
D
30.
A)The widely B)used natural C)fiber of all D)is cotton.
a)
A
b)
B
c)
C
d)
D
31.
Truman Capote´s "In Cold Blood" is neither journalistically accurate _________.
a)
a piece of fiction.
b)
nor a fictitious work.
c)
or written in a fictitious way
d)
nor completely fictitious.
32.
Vitamin C is necessary for the prevention and __ of scurvy.
a)
it cures
b)
cures
c)
cure
d)
for curing
33.
A baby's development is influenced by both heredity and ___________.
a)
by environmental factors.
b)
environmentally.
c)
the influence of the environment.
d)
environment.
34.
Because bone loss occurs earlier in women than ____, the effects of osteoporosis are more apparent in women.
a)
men do
b)
in men
c)
as men
d)
similar to men
35.
Fire A)extinguishers B)can contain liquefied gas, dry chemicals, C)or D)watery.
a)
A
b)
B
c)
C
d)
D
36.
The U.S. Congress A)consists B)of both C)the Senate D)as well as the House of Representatives.
a)
A
b)
B
c)
C
d)
D
37.
The prison A)population in this state, now B)at an all time high, C)is higher than D)any state.
a)
A
b)
B
c)
C
d)
D
38.
Manufacturers A)may use food additives B)for preserving, to color, to flavor, or C)to fortify D)foods.
a)
A
b)
B
c)
C
d)
D
39.
A)A bankruptcy B)may be either C)voluntary D)nor involuntary.
a)
A
b)
B
c)
C
d)
D
40.
The skeleton A)of a shark B)is made of cartilage C)rather than D)having bone.
a)
A
b)
B
c)
C
d)
D

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