1. This is the first time he has been in Ha Noi.
2.Mai likes chicken the most.
3.Although she is bad at sport, she can play badminton.
4.If we always make noisy at class, teacher might be angry.
5. What a handsome boy!
6.Since we last spoke English, it is two months.
7. Because she was lazy,she failed the exam.
8. How long did you started learn English?
9. The Fansipang is the hightest mountain.
10. If there is a lot of rain, we may be have flood.
