11. I don’t know _______ is in the reading-room.

A. whose 

B. who 

C. what 

D. which

12. _______ is a computer, that’s a TV set.

A. It 

B. That 

C. This 

D. These

13. They haven’t seen _______ for over twenty years.

A. other 

B. the other 

C. another 

D. each other

14. There isn’t _______ milk in the glass.

A. much 

B. some 

C. many 

D. few

15. The old man has two sons. One is a soldier _______ is a worker.

A. other 

B. the other 

C. others 

D. another

16. There are trees on _______ sides of the roa

D.

A. either 

B. each 

C. both 

D. all

17. There are trees on _______ side of the street.

A. either 

B. every 

C. both 

D. all

18. Please ask me if you need _______ help.

A. any 

B. some 

C. many 

D. much

19. All the children enjoyed _______ at the party.

A. yourselves 

B. themselves 

C. ourselves 

D. oneself

20. _______ are they talking about over there?

A. Whose 

B. Who’s 

C. Which 

D. What