If water becomes increasingly scarce in decades ________,water shortage will become a hot issue all

题目简介

If water becomes increasingly scarce in decades ________,water shortage will become a hot issue all

题目详情

If water becomes increasingly scarce in decades ________,water shortage will become a hot issue all over the world.
A.comingB.having come
C.to comeD.to be coming
题型:单选题难度:中档来源:不详

答案

C
考查动词不定式作定语。动词不定式通常用来表示未发生的动作,本句是一个if引导的条件句,是对将来的一种假设,故应用不定式。in decades to come意为“在将来的几十年”。

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