—Must I wait here all day? I have a lot of work to do.——No, you ____. You may be back in the afternoon.

1. —Must I wait here all day? I have a lot of work to do.

——No, you ____. You may be back in the afternoon.

A. mustn't B. can't C. don'thaveto D. shouldn't

【考点】

must, have to表示必须;

【答案】

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单选题普通

1. Life is like riding a bicycle. To keep a balance, you ____ keep moving.

A. must B. can C. can't D. mustn't

单选题容易

2. Peter's schoolbag is here. He ____ be in the classroom and prepare for his speech.

A. must B. might C. could

单选题容易

3. According to the new traffic rules, people ____ wear a helmet (头盔) when riding an e-bike.

A. must B. might C. can D. may

单选题容易