--- Let's go swimming, Millie.--- Sorry, I have ______ homework to do.
Lucy wasn’t _____ yesterday. She cut herself.
My brother doesn’t like skating. I don’t like it, _________.
Things will get better in the future, we will have ______ cars and _____pollution.
10 years ago, _________ only one classroom building in our school. And in 10 years, _________ five classroom buildings in our school.
I don’t know if Mr. Wang ________here tomorrow . If he ______ , please tell me .