题目内容
The teacher asked the students ________.
A. what they were doing at that moment
B. what were they doing at that moment
C. how are they doing at that moment
D. what they are doing at that moment
A
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题目内容
The teacher asked the students ________.
A. what they were doing at that moment
B. what were they doing at that moment
C. how are they doing at that moment
D. what they are doing at that moment
A