Giúp mình với Rewrite the sentences. Make the affirmative sentences negative and the negative sentences affirmative. ------------------------------------------------------------ 1. There isn’t a chair in this room. --> There is a chair in this room. 2. There are some students in the classroom. _____________________________________. 3. There are some pencils on the desk. _____________________________________. 4. There is a car near the tree. _____________________________________. 5. There aren’t any plants in the garden. _____________________________________. 6. There are some books on the shelf. _____________________________________. 7. There is a bin near the desk. _____________________________________.