Question

In order to make our city more beautiful more trees and flowers _________ every year.
A. will plant            
B. should plant       
C. should be planted

Answer 1

C

試題分析：句意：為了使我們的城市更加美麗，每年應該種更多的樹和花。根據句意及題干分析此題應用被動語態，被動語態的基本結構是be+動詞的過去分詞，所以選C。