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 Themanagerpromisedtokeepus

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問題詳情:

 Themanagerpromisedtokeepus

 The manager promised to keep us ____ how our business was going on.

A. informing of            B. informed         C. informed of             D. informing

【回答】

C

知識點:非謂語動詞

題型:選擇題