I don’t know ______ yesterday.A、why didn’t he go to schoolB、why he didn’t go to

游客2025-07-04  4

问题 I don’t know ______ yesterday.

选项 A、why didn’t he go to school
B、why he didn’t go to school
C、when he didn’t go to school

答案 B

解析 I don’t know+宾语从句,从句语序为陈述句语序,C项在语义上讲不通。
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