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【找出下列句子中情态动词的用法错误并改正】1.Keep quiet!Look at the sign.You may n

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【找出下列句子中情态动词的用法错误并改正】1.Keep quiet!Look at the sign.You may not ues your..
【找出下列句子中情态动词的用法错误并改正】
1.Keep quiet!Look at the sign.You may not ues your mobile phone here.
2.Excuse me.Must I have a look at your photos?
3.Angela doesn't can sing well.
4.You mustn't hurry.There is a lot of time left.
5.-Must I hand in the paper now?
-No,you mustn't.
【找出下列句子中情态动词的用法错误并改正】1.Keep quiet!Look at the sign.You may n
1.Keep quiet!Look at the sign.You may (may改为can)not ues your mobile phone here.
2.Excuse me.Must(must改为may) I have a look at your photos?
3.Angela doesn't can (doesn't can 改为can't)sing well.
4.You mustn't (mustn't 改为needn't)hurry.There is a lot of time left.
5.-Must I hand in the paper now?
-No,you mustn't.(mustn't改为needn't)