19. --- Can I help you ?

--- I’d like to buy a present for my best friend, _______at proper price but of great use.

A. that　　　 B. one　　　　 C. it　　 　　　　　 D. this

18. I found ______ possible to answer all the questions within the given time.

A. that　　　 B. it　　　 C. this　　　 D. what

17. - He is said _______ in the United States for three years before he returned to his country.

- No wonder he speaks English so well.

A. to stay　 　　　　　 B. having stayed　 C. staying　 D. to have stayed

16. _______China’s first manned space flight took place?

A. When it was that B. Was it when that

C. When was it that　 D. Was it that when

15. You have no idea 　　　　when we saw IT companies booming in our country.

A. that we were how happy　 　　　　　　　　　　 B. how happy were we

C. that how we were happy　　　　　　　　　　　　 D. how happy we were

14. - Have you finished the work?

　　 - Not yet. I _______ to do it just a moment ago.

　A. set off　　　 B. set up　　 C. set out　　　　 D. set down

13. _______ in her most beautiful skirt, the girl tried　to make herself _______　 at the party.

　A. Dressed; noticed　　　 B. Dressing; noticed　　　 C. Dressed; noticing

D. Dressing; being noticing

12. There was something wrong with our car, so we had to go _______ on foot to the village.

A. all the way　 B. at all times　 C. all the places　 D. all the roads

11. A man who hesitates ______ everything cannot do anything successfully.

A. to do　 　　 B. doing　 　　　 C. for doing　　　 　　　 D. in doing

10. John walked on the sand, thus ______ many footprints.

A. left　　　　 B. to leave　　　 C. leaving　　 D. leave