What’s your brother- –He’s a teacher. He art at a school。

We have politics ______ Tuesday.

Sir, couldyou please put out your cigarette This is a smoke-free (无烟的) school.—＿＿＿＿＿＿

After the rich man heard the touching story, he________ most of his money to charity.

the recent river pollution in Shanxi Province ,people ____ more and more attention to the water quality