2. ____________ a certain doubt among the students as to the

necessity of the work.

A. It existed B. They had

C. There existed D. There had

3. -The professor really works hard.

-____________,and____________.

A. So does he; so do you B. So does he; so you do

C. So he does; so you do D. So he does; so do you

C

4. It is not I but Mr. Green who ____________in charge of the

company.

A. is B. am C. are D. was

5. -____________in this street?

-I think Mr. Black is the richest man.

A. Whom do you think is the richest man

B. Who do you think is the richest man

C. Do you think who is the richest man

D. Do you think whom is the richest man

6. My English teacher's humor was____________ make every

student burst into laughter.

A. so as to B. such as to

C. such that D. so that

7. ____________is no doubt that today greenhouse gases are the

largest human influence on global climate.

A. It B. That C. This D. There

8. It is well known to us all____________ the 10th National Games

was held at the Olympics Center in Nanjing, Jiangsu Province.

A. that B. what C. which D. when

9. -Listen, there____________.

-Oh, yes. There ____________.

A. goes the bell; it goes B. goes the bell; goes it

C. the bell goes; it goes D. the bell goes; goes it

10. Be careful to move the equipment-_________ it gently.

A. doing B. to do C. done D. do

11. They are all classmates. _________ is no wonder that they