—Must I hand in the report now, sir?
—_____________. You can hand it in tomorrow.
句意：——我必须要现在上交报告吗，先生？——不，你不需要。你可以明天交。
考查must问句的回答。must提问的一般疑问句，肯定回答用“Yes, you must.”，否定回答用“No, you needn't/don'thave to.”。根据“You can hand it in tomorrow.”可知，是否定回答。故选C。
—Must I hand in the report now, sir?
—_____________. You can hand it in tomorrow.
— Must I return the book to you now?
— __________, you__________. You can do it tomorrow.
—May I fish here?
—Sorry, you ________. Look at the sign “No fishing”!
—It’s very cold outside.
—Oh, yes. You’d better________ your coat.
It’s getting dark. You’d better ________ out by yourself. It’s dangerous.
Time is limited! You'd better________your time any more.
We _________ try our best to fight against pollution.
—Sorry, Miss Chen. I missed the early bus, so I was late again.
—It doesn’t matter this time. You ________ leave home 10 minutes earlier than before in future.
We ________ eat or drink in the museum. It is against the rule.
I love the weekends,because I ________ get up early on Saturdays and Sundays.
