----- Perhaps John’s not in.
----- . Look, the light’s on.
A. Yes, he can be at home.
B. No, he couldn’t go out.
C. Yes, he must be at home.
D. No, he needn’t go out.
网友回答
A. Yes, he can be at home.
B. No, he couldn’t go out.
(答案→)C. Yes, he must be at home.
D. No, he needn’t go out.
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