题目内容
—The lights in his room are still on.Do you know ? —The exam is coming.
A.why does he stay up so late
B.why he stays up so late
C.what is he doing
D.what he is doing
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题目内容
—The lights in his room are still on.Do you know ? —The exam is coming.
A.why does he stay up so late
B.why he stays up so late
C.what is he doing
D.what he is doing