问题

The light is still on in his room. Do you know ___________ —Maybe he has to study for a test.

A:if he works hard
B:who he is studying with
C:what he is busy with
D:when he will stop working;

正确答案是：

同类题型

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Finding a job in such a big company has always beenhis wildest dreams

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once been withdrug dealings, but evidence found laterproved his innocence.

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