首页 > 中学英语试题 > 题目详情
--I think it is necessary for everybody to take action _______ the Earth. --I agree. Turn off the li...
题目内容：
--I think it is necessary for everybody to take action _______ the Earth.
--I agree. Turn off the lights before we leave the classroom.
A. protect B. protecting C. protects D. to protect
本题链接：