问题

To go on until yousucceed is what life is ________about

A:before
B:though
C:when
D:once

正确答案是：

同类题型

Never before ______ such a wonderful place ______ Qingdao.

What’s the noise? —Oh, I forget to tell youThe new machine

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下列文学文化常识的阐释中不正确的一项是（）