21.Tomorrow’s meeting is very important. Please ask them ________ there on time.

A. go B. going C. to go D. went

22.—Why are you walking to school?

—Because my ________ is broken.

A. radio B. watch C. bike D. bag

23.Betty didn’t come to school yesterday ________ she was ill.

A. but B. than C. if D. because

24.Do you enjoy ________ English in our class, Mr. Green?

A. teach B. taught C. to teach D. teaching

25.Mid-Autumn Day usually ________ in September or October every year .

A. come B. comes C. is coming D. will come

26.Mike looks ________ than Paul, but they are of the same age.

A. youngest B. the youngest C. younger D. very young

27.—Where is Mrs. Smith?

—She isn’t here. She ________ to England .

A. has gone B. has been C. went D. goes

28.Mrs. Green is out. I have to ________ her baby.

A. look around B. look up

C. look for D. look after

29.—Dad, must I finish my homework today?

—No, you ________ . You may do it tomorrow.

A. needn’t B. mustn’t C. don’t D. won’t