- Must I hand in my exercise book now, Mr. Zhao?- No, you __. You may give it to me tomorrow.A. needn't B. mustn’t C. can't
.—You should ______ more water when you have a fever.
---What’s the matter ______ you? ---I have a toothache.
--- How many students are there in the school? ---There are about ______.
Does hea bus ____?
Tom knows Chinese well. Hesay some English words.