He didn't know (

问题描述:

He didn't know (
A.what is wrong with him B.what was wrong with him C.what wrong is with him D.what wrong was with him 给些说明,

B对.
宾语从句:陈述语序,排除C与D; 主句是一般过去时,从句要用相应的过去时,再排除A
加油!不明白再问!这里难点就在于,哪个算是陈述语序。what is wrong with sb ?本身就是陈述语序,记住就行了。( WHAT 既是引导词也是从句的主语)