Mr.Mikedoesn’tunderstand________mad

发布时间：2020-07-12 08:29:26

Mr. Mike doesn’t understand ________ made his wife so upset this morning












A.what was it











B.why it was that










C.how that was










D.what it was that

网友回答

D解析understand 后面是一个宾语从句，从句中缺主语，同时又是强调结构的疑问形式用在宾语从句中。
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