Question

【题目】Yancheng 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：盐城是一座绿色城市，因为每年春天植了越来越多的树。由every spring可知句子描述的是每年春天发生的动作，句子用一般现在时态。主语trees是谓语动词plant的承受者，句子用被动语态。故选Ｂ。