1. The length of my lesson is 50 minutes

2. Her sister is less hardworking than her

3. No one in the class is as active as Trang

4. Mrs Vinh is older than Mrs Ha

5. She is as pretty as her sister

6. Mary plays the violin better than anyone in the group

7. Hung is the fastest runner in the team

1. My lesson is 50 minutes . His lesson 45 minutes 
➡The length of my lesson is......longer than his 
2. She is harder than her sister 
➡Her sister is less hard than her
3. Trang is the most active in the class 
➡ No one . in the class  is as active as trang 
4 Mrs Ha is 30 years old .Mrs Vinh is 40 years old 
➡Mrs Vinh.........is older than  Mrs Ha
5 She is pretty .Her sister pretty,  too
➡She is.pretty and so is her sister