30. The subway in our city, and I’m sure there will be fewer traffic jams in the future.A.

发布时间：2020-08-16 09:15:07


30. The subway     in our city, and I’m sure there will be fewer traffic jams in the future.
A. is building
B. is built
C. is being built
D. will build

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A. is building
B. is built
(答案→)C. is being built
D. will build
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