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Ifwecan       thisspeed.Weshouldarrivethereinabouttwoda...

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問題詳情:

Ifwecan       thisspeed.Weshouldarrivethereinabouttwoda...

If we can        this speed. We should arrive there in about two days.

A. keep up with     B. keep up      C. keep with   D. keep up on

【回答】

B

知識點:動詞和動詞短語

題型:選擇題

標籤:Ifwecan