1, Đúng
2, is-are
3, Đúng
4, is-are
5, Đúng
Ex2:
1, Are there five DVDs on the table
No, there aren't, There are three
2, Is there a man in the garden
No, there isn’t. There’s a woman
3, Are there six books in that bag
No, there aren't, There are seven
4, Are there lots of cars in the street
No, there aren't, There's one car
5, Are there thirty students in your class
No, there aren't, There are thirty one