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        1. 【題目】I was playing with my phone when my mother came in. (改為否定句)

          I________ ________ with my phone when my mother came in.

          【答案】wasn't playing

          【解析】

          句意:我媽媽進(jìn)來(lái)的時(shí)候我正在玩手機(jī)。我媽媽進(jìn)來(lái)的時(shí)候我沒(méi)有玩手機(jī)。

          要求改為否定句。根據(jù)was playing可知句子時(shí)態(tài)為過(guò)去進(jìn)行時(shí),句中含有系動(dòng)詞was,其否定形式直接在系動(dòng)詞was后加not,縮寫(xiě)為wasn't,其它成分不變,故答案為(1wasn't2playing。

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