21. — Could I use your dictionary?
— Sure you ____.
A. can, go ahead B. can, use it C. could, help yourself D. could, take it.
22. She ____ the film. She knows nothing about it.
A. can’t see B. can’t have seen C. must see D. mustn’t have seen
23. We looked forward to ____ at eight in the morning, but he didn’t turn______until
9 o’clock.
A. his coming; up B. his coming; in
C. he came; down D. he came; in
