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高二英语:Hedidn'tknow.Awhat'sthematherHedidn'tknow.Awhat'sthematterBwhatthematterisCwhatwasthematterDwhatthematterwas最好能说明一下.

题目详情
高二英语:He didn't know_.A what's the mather
He didn't know ______.
A what's the matter
B what the matter is
C what was the matter
D what the matter was
最好能说明一下.
▼优质解答
答案和解析
D 这是宾语从句,从句的特殊疑问句的语序是不需要将助动词(do does have has 等)或表语(be)提前至主语前面.且时态要与主句保持一致,就是主句是过去时态,从句也应是过去时态.