问题:
It isn’t clear_____ is to blame.We need to find a solution to the problem first.
A.who is it that
B.who it is that
C.it is who that
D.that who it is
It isn’t clear_____ is to blame.We need to find a solution to the problem first.
A.who is it that | B.who it is that | C.it is who that | D.that who it is |
参考答案: