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—Pleasegoonwithyourdemonstration.—ButwherewasI?—Well,yo...

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問題詳情:

—Pleasegoonwithyourdemonstration.—ButwherewasI?—Well,yo...

—Please go on with your demonstration.

—But where was I?

—Well, you____the two chemicals together.

       A. tried to mix                                              B. were trying to mix

       C. were trying mixed                                     D. had tried to mix


【回答】

B

知識點:過去進行時及其被動式

題型:選擇題

標籤:Wellyo ButwherewasI