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 Doyouknowhowmanypeople

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問題詳情:

 Doyouknowhowmanypeople

 Do you know how many people ______ up to now?

A. have invited    B. have been invited   C. had invited    D. had been invited

【回答】

B

知識點:動詞時態與語態

題型:選擇題

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