11．-Is the man over there Mr．Miller？
-It ______ be him．He has gone to Shanghai on business．（　�。�
A．mightB．mustC．can'tD．mustn't

分析 --那邊那個(gè)男的是Miller先生嗎？
--不可能是他，他出差去上海了．

解答 答案：C．might可能；must一定，必須；can't不可能；mustn't不可以，禁止．根據(jù)He has gone to Shanghai on business，可知Miller先生出差去上海了，所以那邊那個(gè)男的不可能是Miller先生，can't不可能．故選C．

點(diǎn)評(píng) 本題考查了情態(tài)動(dòng)詞的用法．解答時(shí)注意理解句意以及所給選項(xiàng)的意思并作出正確選擇．

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