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Theyweredoinghomeworkwhenthetelephone

練習題2.35W

問題詳情:

Theyweredoinghomeworkwhenthetelephone

They were doing homework when the telephone _______.

A. rings           B. was ringing         C. rang             D. has rang

【回答】

C

解析:when the telephone…是做作業的背景,所以用一般過去時。

知識點:動詞時態

題型:選擇題

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