问题

Even though Jack has failed many times in his experiment, he holds a belief________he will succeed one day if he carries on with it. [ ]

A: what
B: which
C: whether
D: that

正确答案是：

同类题型

They_______ students. They ________ to watch TV.

You needn’t call Tom. I ______ ten minutes ago and he ______ the invitation.

When did your father come back from England —__________.

Miss Tang is ______ English teacher. ______ is a good teacher.

This is our rock-bottom price, Mr Green. —If that’s the case, there’s not much point in further discussion. We _______ as well call the whole deal off. [ ]