一道英语单选,
问题描述:
一道英语单选,
( )that caused our younger daughter to fail in the important exam?
A .what do you think it was B.do you think what it was
C.what do you think was it D.do you think what was it
后面还有回答 carelessness
答
答案是a,这是主语从句和表语从句的结合 what do you think it为主语从句 was为谓语 that caused our younger daughter to fail in the important exam为表语从句