The man didn't know___.A.when did Mr Wang leave for Tianjing.B.when Mr Wang left for Tianjing C.whether Mr Wang leaves for TianJing ,D.why she is late for school
问题描述：
The man didn't know___.A.when did Mr Wang leave for Tianjing.B.when Mr Wang left for Tianjing C.whether Mr Wang leaves for TianJing ,D.why she is late for school
答
B.
答
选B
答
首先这是个宾语从句
所以从句是陈述句语序 排除A
其次主句是过去式
从句需要用和过去相关的时态 排除C D
答
选B
首先宾语从句陈述句语序，排除A，然后时态要一致，前面是didn't know是一般过去时，后面也要是一般过去时，排除C和D,选B
答
B
这是个复合句,主句：The man didn't know
宾语从句：当主句是一般过去时,从句一般也用过去,排除C,D
宾语从句的语序是陈述,即主语+ 谓语,排除A,特殊疑问句语序
翻译：那个人不知道王先生什么时候起程去天津
答
B