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 —Tony,youmusthavenoticedthestudentwhobrokethewindow.—I...

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問題詳情:

 —Tony,youmusthavenoticedthestudentwhobrokethewindow.—I...

 —Tony, you must have noticed the student who broke the window.

—I’m sorry. I _______ attentively.

A. studied         B. was studying    C. am studying              D. would study

【回答】

B

知識點:過去進行時及其被動式

題型:選擇題

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