Bạn tham khảo:
1_It's very important to brush your teeth.
2_Swimming in this river is very dangerous.
3_How heavy is your son?
4_What is the length of Mekong River?
5_I don't like beef and neither does my mother.
6_She is a teacher and so am I.
7_What happens to Lan?
8_What is the matter, Mai?