题目内容
Who was it ________had offered us this suggested answer?
[ ]
A.who
B.which
C.what
D.that
答案:D
练习册系列答案
相关题目
Do you know ______________ had reported the accident to the police?
| A.who it was that | B.who was it that | C.it was who that | D.that it was who |