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Thismedicinewilllast

練習題2.21W

問題詳情:

Thismedicinewilllast

This medicine will last ________, but after six months you’ll need to change it.

A. for a time     B. in time    C. at that time    D. from time to time

【回答】

A

知識點:介詞和介詞短語

題型:選擇題