问题:
Nobody knows _______broke into the house last night and stole the important papers.
A.who was it that
B.it was who that
C.who it was that
D.that it was who
Nobody knows _______broke into the house last night and stole the important papers.
A.who was it that | B.it was who that | C.who it was that | D.that it was who |
参考答案: