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The man really didn't know_____A.what to sayB.how to say it

题目详情
The man really didn't know_____
A.what to say
B.how to say it
▼优质解答
答案和解析
选A
这里what to say做宾语相当于名词词组
类似的有I don't know which to choose.
She didn't know what to do.