20．- We need to buy _____ to equip the lab. Shall we go to the store on foot?

-　　No, we’d better go there by bus _____.

A.　a great many equipments, instead on foot

B.　a number of equipments, instead of feet

C. several pieces of equipment, instead walking

D.　a lot of equipment, instead of on foot

19．- Mrs Thompson? She lives in that _____ house over there.

- Does she live _____ or with her children?

A. lonely; lonely　　　　　 B alone; lonely　　 　　　 　　 C. lonely; alone　　 　 D. alone; alone　　

18．She was such a proud person that she would die ____ she would admit she was wrong.

A. rather than　 　 　　　 B. until　 　　　　　　　 　　　 　　C. after　 　　　　　 　D. before

17．_______ is known to all, he is admitted to a key university.

A. It　　 　　　　　　　　　　 B. What　　　 　　　　　　 C. Which　　　 　 　D. As

16．All my pockets have been _______ but I can’t find my keys.

A. got through　　 　　　　　　 B. given out　　 　　　　 C. gone through　　 D. gone down