If more trees planted, our city will be more beautiful. A. were B. are C. will be

发布时间：2020-08-21 08:41:38

If more trees      planted, our city will be more beautiful.
A. were                  B. are                   C. will be

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解析：根据含有if引导状语从句的主从复合句的时态原则“主将从现”可知。
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