11. They have studied English since 2010.

12. Peter has collected stamps for 2 years.

13. No one in Mark's class is taller than him.

14. I find playing sports interesting.

15. The furniture was too expensive to buy.

16. It is the first time I have been to a live concert.

17. Tom wants to keep fit so he plays football.

18. If you want to stay healthy, you should eat more fruit ang vegetables.

19. I don't like pop music anf my younger sister doesn't, either.

20. Are the dishes often washed by her after meal ?

21. How much does this watch cost ?

22. How much do these beautiful scarves costs ?

23. Many buildings was built to commemorate Uncle Ho's birthday.

24. The rules of the games must be observed carefully.

25. A new stadium was being built when I arrived.

Học tốt ^^ ( Sai góp ý nha )

11. have learnt English since 2019

12. collected stamps for 2 years

13. in his class is as tall as Mark

14. it interesting to play sports

15. expensive for me to buy

16. is the first time I have been to a live concert

17. Tom wants to keep fit so he plays football

18. want to stay healthy, you should eat more fruit and vegetables 

19. and neither do my younger sister

20. the dishes usually washed after meals by her

21. is this watch

22. are these beautiful scarves

23. were built to commemorate Uncle Ho's birthday

24. of the games must be observed carefully

25. was being built when I arrived