问题
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
B:what were they doing at that moment
C:how are they doing at that moment
D:what they are doing at that moment
正确答案是：
同类题型
The plane for Yunnan will______ in two hours. Let’s go to the airport as soon as possible.
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Your donation_________ and the money will be used to help the students from poor families.
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