That girl is _____ young to know _____. [ ]

Miss Li, must we hand in our homework right now?—No, you ____.You can hand it in tomorrow.

Don’t play soccer in the street. — Sorry, I do that again.

I couldn’t listen carefully in our English class this morning as I _________ of the comic book that I read before class.

It will ______us several years to learn a foreign language well.