1 . Can you ________ your movements on that night? Why did you enter the office building at midnight?

A．decide on

B．account for

C．make the best use of

D．be aware of

2 . — My teeth are loose.
— I think you need ________ some Vitamin C.

A．having

B．to have

C．have

D．to having

3 . Betty likes to ________ small animals, such as kitties and puppies. Which of the following is wrong?

A．feed

B．grow

C．keep

D．raise

4 . ________ provide people with beef, steak and milk.

A．Cattle

B．Poultry

C．Pork

D．Cows

5 . Mr Green ________ me to become a vegetarian.

A．advises

B．suggests

C．makes

D．hopes

6 . The danger ________ we are hardly aware is threatening our lives.

A．which

B．that

C．of which

D．of that

7 . Instead of leaving everything to teachers, parents should ________ themselves in their children’s upbringing.

A．contain

B．involve

C．amaze

D．influence

8 . Einstein finally ________ Hans’ plan that Hans took his place and gave the lecture in that distant university.

A．agreed with

B．agreed to

C．agreed on

D．agreed for

9 . Having a long list of candidates ________, the general manager was likely to have a qualified assistant.

A．to choose

B．to choose from

C．chosen from

D．choosing

10 . Unless ________ to give your opinion at the conference, you should keep silent.

A．being allowed

B．having allowed

C．allowed

D．allowing