We should do something to improve our environment.---Good idea.we can put up a sign__our classmatenot to waste paper.A ask B asked C asking D to ask选哪个？谢谢
问题描述：
We should do something to improve our environment.---Good idea.we can put up a sign__our classmate
not to waste paper.A ask B asked C asking D to ask选哪个？谢谢
答
C
祝你学习愉快！ (*^__^*)
请及时采纳，多谢！
答
选D
We should do something to improve our environment.
---Good idea.we can put up a sign_to ask_our classmate not to waste paper.
表示目的,用to do不定式