E-mail is very popular today. People seldom write letters now,_______?
A. did they B. do they C. didn't they D. don't they
- You'd better because you have to drive back home.
- OK.
A. not drinking B. not to drink C. not drink D. don't drink
Bamboo can __ paper.
A. used to make B. be used make
C. be used to make D. be used to making
-_ _ you _ _ the film Harry Potter 5?
- Not yet. I'll see it this evening.
A. Have; seen B. Did; see C. Are;seeing D. Do; see
- Must I clean the Lable now?
- No, you ____. You may do it later.
A. can't B. needn't C. mustn't D. shouldn't
Chemistry seems to be _____ for me of all the subjects.
A. difficult B. too difficult
C. more difficult D. the most difficult
