Choose the underlined part (marked as A, B, C or D ) that contains an error

Choose the underlined part (marked as A, B, C or D ) that contains an error.

21. Things in the shop are as expensive than things in the market.

A B C D

22. In the evening, she often does her homework and watch TV.

A B C D

23. There is a sofa in front about the window.

A B C D

24. We mustn't picking flowers in the school garden.

A B C D

25. We visit our grandparents next weekend.

A B C D

26. There are a garden in front of my house.

A B C D

27. Hoi An is famous by its historic buildings, shops, pagodas and houses.

A B C D

28. You mustn't to talk in the class while the teacher is teaching.

A B C D

29. Aryes Rock's color change at different times of the day.

A B C D

30. Thao and Phong is going to the museum to take photos for their project.

A B C D