(If) traffic problems are not solved soon, (driving) (in) cities (becomes) impos

游客2025-03-13 30

问题 (If) traffic problems are not solved soon, (driving) (in) cities (becomes) impossible.

选项 A、If
B、driving
C、in
D、becomes

答案 D

解析主句的时态应用将来时态。改“becomes”为“will become”。

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Hedemandedthattheproblem______atonce.A、wouldbesolvedB、istobesolvedC、