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-Perhaps John's not in. - . Look, the light’s on. A. Yes, he can be at home B. N

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-Perhaps John's not in. - . Look, the light’s on. A. Yes, he can be at home B. N

—PerhapsJohn's not in.

—________.Look, the light’s on.

A.Yes, he can be at home   B.No, he shouldn’t go out

C.Yes, he must be at home     D.No, he needn’t go out

 

试题答案

答案:C

提示:
must表示较为肯定的猜测。