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

发布时间：2020-08-17 04:17:12

If water bees increasingly scarce in decades     , water shortage will bee a hot issue all over the world.
A. ing
B. having e
C. to e
D. to be ing

网友回答

A. ing
B. having e
(答案→)C. to e
D. to be ing
解析：decades to e 未来的数十年，to e不定式作定语，表将来。
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