题目

题型：不详难度：来源：

Mike didn’t understand _______ made his wife so upset this morning.

A．what was it that

B．what it was that

C．how that was

D．why it was that

答案

B

解析

含有疑问词的强调句型构成“疑问词 +it be that +其他部分。” 此题对主语提问应该用疑问代词what，宾语从句应用陈述语序，所以选B。