There was a loud knock at the door.(用时间状语从句合并成一个句子)
She was answering the telephone.There was a loud knock at the door.(用时间状语从句合并成一个句子)
人气:167 ℃ 时间:2019-10-10 06:03:16
解答
There was a loud knock at the door when she was answering the telephone.
加一个引导时间状语的词或词组即可.
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