tìm lỗi sai và sửa trong các câu sau 1.do you know hoq much a banana cost ? 2.the taecher says ba will be a famous artist in one day 3.some boys are playing marble in the school yard at recess 4.mai learns how to use a computer in her scientific 5.there are less tv programs for teenagers than there are for adults 6.people are living longer so there are more and more many old people 7.thanks for invite me to the rice-cooking festival of your village 8.i'd rather to participate in the contest than watch it 9.liz told that she was interested in the rice-cooking contest 10 we won't get to the airport in least than 30 minutes

1. do you know how much a banana cost? => costs
2. the teacher says ba will be a famous artist in one-day => would 
   Câu gián tiếp của thì tương lai đơn: S + would + V
3. Some boys are playing marble in the schoolyard at recess => marbles
4. Mai learns how to use a computer in her scientific => science
5. there are less tv programs for teenagers than there are for adults => fewer
6. people are living longer so there are more and more many old people => BỎ
7. thanks for invite me to the rice-cooking festival of your village => inviting
8. I'd rather to participate in the contest than watch it => BỎ (rather + V + than)
9. Liz told that she was interested in the rice-cooking contest => said 
10. we won't get to the airport in least than 30 minutes => at (at least: ít nhất)
           #quangvinh