问题
选择题
| 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
答案：C
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| 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