题目内容
If water 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
答案:C
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题目内容
If water 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