My father wants to give up ______, but it’s hard for him to ______.
A. smoke; give up it
B. smoking; give up it
C. to smoke; give it up
D. smoking; give it up
—Is that Lucy’s cousin, Anna?
—No, it ______ her. She has gone to Paris.
A. mustn’t be B. might be
C. can’t be D. could be
I’ll have an interview tomorrow, so I need to get my shoes _________.
A. cleanedB. cleans
C. to clean D. cleaning
I like sleeping with the window open ______ it’s too cold.
A. if B. when
C. untilD. unless
When the teacher came in, the students stopped _______ and became very ________.
A. to talk, quiet B. talking, quiet
C. to talk, quietly D. talking, quietly
Don’t worry about Peter. He is _______ to get over the problem.
A. enough strong B. too strong
C. strong tooD. strong enough