A. must B. have to C. had to D. can

A. well B. badly

C. good D. bad

A. a,the B. an, an C. a, an D. an,the

A. and B. but C. so D. or

【题目】I'm not good at playing _______ piano, but I can play ______ volleyball very well.
A./; /
B.the; the
C.the; /
D./; the

A. cleaner B. clean

C. the cleanest D. much cleaner

A. active B. careful

C. patient D. famous

A.something; anything B.anything; nothing

C.anything; something D.nothing; something

--No, you ____. You _____ come back after lunch, if you like.

mustn’t, can B. needn’t, must

C. needn’t, may D. mustn’t, should

－Sorry, but that's the _______ one.

A. biggest B. longest C. cheapest