问题 选择题
I have no impression _______ he went home perhaps by bike.
A. when
B. that
C.how
D. why
答案

答案:C

考查同位语从句。解释名词impression,句意:我没有印象就是他怎样回的家也许骑自行车。故选C。

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单项选择题 A3/A4型题