問題詳情

15. I once had a hard time falling asleep at night, and so ________ my mother.
(A) had
(B) does
(C) was
(D) did

參考答案

答案:D
難度:計算中-1
書單:沒有書單,新增

用户評論

ryosan】評論

前面是一般動詞,沒有BE動詞,因此後面要...