Question

-Our city looks more beautiful!
-Yes. Lots of trees and grass ______ since last year.

1. A.
   have been planted
2. B.
   are planted
3. C.
   will be planted
4. D.
   were planted

Answer 1

A
试题分析：根据 since last year可知，本句应该是现在完成时。本句的意思是“自从去年，许多树和草被种了。”所以本题选A。
考点：本题考查时态
点评：本题考查两个方面，一个是现在完成时，一个是被动语态。本题只要判断正确时态就可以选择正确答案。