1 Are there thirty students in your class ?
2 How much is a bowl of noodles
3 He often goes to school on foot. ( sửa foten thành often)
4 Mr. Brown is Hoa's farther.
5 How long is the river?
6 How much does this hat cost ?
7 How much a cake and an orange ?
8 That is Nam's book
chúc bạn học tốt , nocopy