Adverb Clause Connectors

_____ arrived at the library, he started to work immediately.

• The student

• When

• He

• After the student

indicate if the sentence is correct (C) or incorrect (I).

Since the bank closes in less than an hour, the deposits need to be tallied.

• Correct (C)

• Incorrect (I)

Indicate if the sentence is correct or incorrect.

Their backgrounds are thoroughly investigated before are admitted to the organization.

• Correct

• Incorrect

3. Although I was late, I …. to catch the train.

• managed

• was managed

• manage

• have managed

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

• While the shoulder

• While the shoulder is

• The shoulder is

• The shoulder

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

• good lubrication

• well lubricated

• and good lubrication

• and well lubricated

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

• A land bridge existed

• When a land bridge existed

• A land bridge

• With a land bridge

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

• The Empire State Building

• The Empire State Building is

• Although the Empire State Building is

• Although the Empire State Building is built

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

• magnifying

• it magnifies

• can magnify

• magnify it

Bears cannot see well _____ small eyes.

• bears have

• because having

• because they have

• because of bears