EarthDay
问题详情:
Earth Day_______in 1970 to tell us to protect our planet.
A. sets up B. set up C. is set up D. was set up
【回答】
D
知识点:动词语态
题型:选择题
问题详情:
Earth Day_______in 1970 to tell us to protect our planet.
A. sets up B. set up C. is set up D. was set up
【回答】
D
知识点:动词语态
题型:选择题