—Lots of trees and f____ are planted in Zhengzhou every year.
—You’re right. That makes our city more and more beautiful.
答案
lowers
知识点:名词的用法

根据句意“——郑州每年都会种很多树和花。——是啊。这让我们的城市越来越漂亮了。”考察名词鲜花flower,因trees用的是复数,前后保持一致,正确答案为flowers。

略
