Tìm lỗi sai
1.at recess, the students practice ti play basketball
2 Do you know how much a banana cost?
3.the teacher says Ba will be a famous artist in one day
4. some students are playing game as blind man s buff and catch
5. some boys are playing marble in th school yard at recess
6.I d love coming to your birthday but Iam much too busy
7.there are less TV promgrams for teenagers than there are for adults
8.peolpe are living longer so there are more and more many old people
9.Mai learns how to use a computer in her scientific class
3. The teacher will says Ba a famous artist in one day.