Treesandflowers

问题详情：

 Trees and flowers _____ every year to make our school more beautiful.

A. plant                    B. are planted              C. were planted

【回答】

B。考查被动语态的用法。由句中主语“Trees and flowers”为事物可知此处应用被动语态, 时间状语为every year, 因此用一般现在时。故选B。

知识点：动词语态

题型：选择题