Checkyouranswerscarefullyandmakesomechanges

來源:國語幫 2.72W

問題詳情:

Checkyouranswerscarefullyandmakesomechanges

Check your answers carefully and make some changes ____.


A. if it necessary         B. if you are necessary     C. if is necessary    D. if necessary

【回答】

D

知識點:固定句型

題型:選擇題

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