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

　　　

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科目：初中英語 來源：外研社七年級(jí)英語(上)練習(xí)題 題型：016

My mother is a teache in ________ university．

[　　]
A．

a

B．

an

C．

the

D．

/

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