8．-Must I hand in my exercise book now，Mr．Zhao？
-No，you     ．You may give it to me tomorrow．（　�。�
A．，needn'tB．.mustn'tC．.can'tD．．

分析 --趙老師，我現(xiàn)在必須交上練習(xí)本嗎？
--不，沒必要．你可以明天給我．

解答 答案：A．
結(jié)合選項可知本題考查情態(tài)動詞，首先明確選項中每個單詞的意思：A：沒必要；B：不可以；C：不能/不會；根據(jù)答語中的No．可知為否定回答，意思是"不，沒必要"，以must開頭的一般疑問句，肯定回答還用must，而否定回答一般借助于needn't或don't have to，表示"沒必要"，故選A．

點評 本題考查了情態(tài)動詞的用法．解答時首先根據(jù)題干明確句意，理解所給選項中每個情態(tài)動詞的意思并熟練掌握它們的用法，便可作出正確選擇．

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