问题

It never occurred to me ________ you could succeed in persuading him to change his mind.[ ]

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

正确答案是：

同类题型

I don’t know _________ the problem.

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How do you find James Cameron’s 3D version ofTitanic —Fantastic! It can’t be _______ and has brought us awonderful experience.

What’s this—It’s ________.