问题

er becomes increasingly scarce in decades ______, water shortage will become a hot issue all over the world.

A:coming
B:having come
C:to come
D:to be coming;

正确答案是：

同类题型

My teacher is very strict us and his work he does.

(2013·日照一模)—What has made John look like lacking sleep?—________ he had to prepare for the coming exam and stayed up last night

This is his only request that the room ______ after being used

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_______ your mobile phonenumber, Mr. Wang —13409964565