1 . Mrs. Black found her husband ________ a tall building and ________ very worried.

A．entering; looked

B．enter; looked

C．entering; looking

D．enter; looking

2 . The professor_____ out the project made a comment on the report.

A．was opposed to carry

B．opposed to carry

C．opposed to carrying

D．opposed carrying

3 . Large quantities of oil _____to Japan since one year ago.

A．was shipped

B．has been shipped

C．were shipped

D．have been shipped

4 . Observation, reason and experiment make up ______ we call the scientific method.

A．which	B．how
C．that	D．what

5 . It was the first occasion ______ they had both found it possible to reach an agreement.

A．why	B．when
C．which	D．how

6 . Our Chinese teacher requested that the homework     tomorrow afternoon.

A．would be handed in	B．be handed in
C．hand in	D．must be handed

7 . Can you tell me      whom the talk      tomorrow?

A．to; will give	B．to; give
C．by; was given	D．by; will be given

8 . Li Hua      the exam, but he was too careless.

A．could have passed	B．should pass
C．must have passed	D．can pass

9 . Lucy failed in the final exam last term; only then      the importance of studies.

A．she realized	B．she had realized
C．did she realize	D．had she realized

10 . _______ medicine works in a human body is a question _______ not everyone can understand fully.

A．How; that

B．That; which

C．That; that

D．What; that