题目内容
have to, mustn’t, needn’t, can't, ought to
1. It says No Smoking. You
smoke here.
2. 1 don’ t think it will rain. David take an umbrella.
3. Lucy was ill so her husband change their travel plan last week.
4. We don't exercise much,but we really.
5. Those results be right. You must have made a mistake.
1. musin’ t 2. needn,t 3. had to 4. ought to 5. can't
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