成人英语三级考试

【单选题】(If) traffic problems are not solved soon, (driving) (in) cities (becomes) impossible.
A. If
B. driving
C. in
D. becomes

网考网参考答案：D
网考网解析：
[分析] 主句的时态应用将来时态。改“becomes”为“will become”。 查看试题解析出处>>