Question

【题目】Suzhou is a greener city now because more and more trees ________ every spring.

A. were planted B. are planted C. will be planted D. plant

Answer 1

【答案】B

【解析】句意：苏州现在是一座更绿的城市，因为每年越来越多的树木被种植。根据every spring可知此处用一般现在时，主语trees与谓语plant之间是被动关系，故用被动语态，故选B。