Question

【题目】To make our city more beautiful, a large number of trees ________ in the mountains last year.

A. was planted B. were planted

C. are planted D. is planted

Answer 1

【答案】B

【解析】

试题分析：句意：句意：为了使我们的城市更加美丽，去年山上种了大量的树。根据句意及题干分析，此题应用被动语态，被动语态的基本结构是be+动词的过去分词，时态是过去时，主语为复数。故答案为B。