题目内容

---Will you stay for lunch?---Sorry, I _______ . My brother is coming to see me.

A. mustn't
B. can't
C. needn't
D. won't

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We have ordered too much food. I _______ eat any more.

A. can't
B. mustn't
C. needn't
D. shouldn't

All passengers ________ go through safety check before they take a plane.

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

---______ I wear a tie to jenny's birthday party.---No, you needn’t. But do remember to bring her a present.

A. Must
B. Should
C. Need
D. Can

---Life is becoming convenient with the internet.---That's true. Almost everything _______ be done online.

A. must
B. could
C. should
D. can't

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