问题
选择题
Millions of trees around our city every year. Our environment is getting better. [ ]
A. are planting
B. were planted
C. planted
D. are planted
答案
D
搜题请搜索小程序“爱下问搜题”
Millions of trees around our city every year. Our environment is getting better. [ ]
A. are planting
B. were planted
C. planted
D. are planted
D