Must we hand in our homework now?No,you needn't.解释一下为什么要用needn't.

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• 1.— Must we hand in our homework now?— _______A.Yes,you will.B.Yes,you mustn’t .C.No,you needn’t.D.No,you mustn’t.2.— Do you think I could borrow these magazines?— _______A.No,you can’t.B.You could borrow other magazines.C.The magazines aren’t here now.D.I’m sorry,but the magazines you want are out.3.— Is there anything serious,doctor?— _______A.I’m going to have another check-up.B.The results of the blood test are wrong.C.No.Just stay in bed and drin
• Must we hand in our homework now?No,you needn't.解释一下为什么要用needn't.
• MUST反义疑问句问题陈述句中的must表示“必须”时,附加谓语的谓语动词用mustn’t.如：You must work hard to improve your English,mustn’t you?三．陈述句中的must表示“必要”时,附加谓语的动词用needn’t.如：We must start working right now,needn’t we?这是为什么?没有理由有什么方法理解记忆我总是弄混
• Must we hand in our homework now?No,you needn't.解释一下为什么要用needn't.
• must we hand in our homework now?a.yes you mustn'tb.yes you mustn'tc.no you needn't
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