问题

Itlong before we __ the result of the experiment.[ ]

A: will not be; will know
B: is ; will know
C: will not be ; know
D: is ; know

正确答案是：

同类题型

In the kindergarten, there are various toys for the children .

Amy, _________ stand near the river. It’s dangerous.

________ something wrong with the machine, I am afraid

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