题目内容
It was __________ you had done ________made it possible for you to improve your English.
A.that/ that | B.that / what | C.what/ what | D.what/ that |
D
解析

练习册系列答案
相关题目
题目内容
It was __________ you had done ________made it possible for you to improve your English.
A.that/ that | B.that / what | C.what/ what | D.what/ that |
D
解析