NEW
Font size
WorksheetsTOEFL - GRAMMAR
Total questions: 25
Worksheet time: 13mins
1. One of the most effective vegetable protein substitutes is the soybean_______used to manufacture imitation meat products.
which can be
it can be
who can be
can be
-
2. ________1000 species of finch have been identified.
As many as
As many
As much as
Much as
3. The first electric lamp had two carbon rods from which vapor serves to conduct the current across the gap.
The first
which
serves
to conduct
4. A thunderhead, dense clouds that rise high into the sky in huge columns, produce hail, rain, or snow.
A
rise
high
produce
5. According to the econom.ic laws, the greater the demand, _______the price.
higher
high
the higher
the high
6. Although no country has exactly the same folk music like that of any other, it is significant that similar songs exist among widely separated people.
no country
like
that
widely
7. Despite of the Taft-Hartley Act which forbids unfair union practices, some unions such as the air traffic controllers have voted to strike even though this action might endanger the national security.
Despite of
forbids
such as
to strike
8. The Continental United States is _______ that there are four time zones.
much big
too big
so big
very big
9. Benjamin West contributed a great deal to American art: _______
painting, teaching, and lecturing
painting, as a teacher and lecturer
painting, teaching, and as a lecturer
a painting, a teacher, and a lecturer
10. Operant conditioning involves rewarding or punishing certain behave to reinforce or extinguish its occurrence.
behave
to reinforce
or extinguish
its occurence
11. There is an unresolved controversy as to whom is the real author of the Elizabethan plays commonly credited to William Shakespeare.
There
whom
is
commonly
12. A catalytic agent such platinum may be used so that the chemical reaction advances more rapidly.
such
so
advances
rapidly
13. Upon hatching, _______
young ducks know how to swim
swimming is known by young ducks
the knowledge of swimming is in young ducks
how to swim is known in young ducks
14. The observation deck at the World Trade Center _______ in New York.
was highest than any other one
was higher than any other one
was highest that any other one
was higher that any other one
15. When a patient's blood pressure is much higher than it should be, a doctor usually insists that he will not smoke.
much
than it
should be
will not
16. It was the invent of the hand-held electronic calculator that provided the original technology for the present generation of small but powerful computers.
It
was
the invent
the present
17. _______is necessary for the development of strong bones and teeth.
It is calcium
That calcium
Calcium
Although calcium
18. Located the cranial cavity in the skull, the brain is the larger mass of nerve tissue in the human body.
In
the brain
larger
human body
19. Alike other forms of energy, natural gas may be used to heat homes, cook food, and even run automobiles.
Alike
may be used
to heat
run
20. An organ is a group of tissues capable to perform some special function, as, for example, the heart, the liver, or the lungs
is
of tissues
to perform
for example
21. _______ withstands testing, we may not conclude that it is true, but we may retain it.
If a hypothesis
That a hypothesis
A hypothesis
Hypothesis
22. Insulin, it is used to treat diabetes and is secured chiefly from the pancreas of cattle and hogs.
Insulin, it is
to treat
is secured
chiefly
23. Not until a monkey is several years old _______ to exhibit signs of independence from its mother.
it begins
does it begin
and begin
beginning
24. Since Elizabeth Barrett Browning's father never approved of _______ Robert Browning, the couple eloped to Italy, where they lived and wrote.
her to marry
her marrying
she marrying
she to marry
25. In autumn, brilliant yellow, orange, and red leaves are commonly to both the Sweet and Gum tree and the Maple.
In autumn
commonly
to
and
