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 —Ididn’tseeyouatthepartylastnight?   —I       onmybiol...

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问题详情:

 —Ididn’tseeyouatthepartylastnight?   —I       onmybiol...

 —I didn’t see you at the party last night ?

    —I        on my biology report at that time.

    A. worked    B. work   C. was working   D. am working

【回答】

C

知识点:动词时态

题型:选择题

标签:Ididn onmybiol