问题

The water in the river nearby will be dirtier than before if nothing __________.

A:has done
B:will be done
C:is done
D:was done

正确答案是：

标签： river , water , will

同类题型

Is your name Jenny? –No,____ isn’t.

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Are you going to buy a camera? —–Yes. But there are so many kinds that I can’t decide __________ to buy.

She got a red bike on her_________ birthday.

Can you tell me ______ live a low-carbon(低碳) life ?—-OK. By using both sides of the paper.