6. We were visiting an old building while they were going to a traditional market                                    7. The last exhibition was not as interesting as this exhibition 

8. The teacher says that i'm the noisiest student in the school 

9. I have never read such an boring book like this before 

10. I think there is no city is more liveable than Vung Tau city in VN  

 Xin 5 sao với ạ 

6. we were visiting an old building while they were going to a traditional market

while: trong khi, nối 2 hành động đang xảy ra cùng lúc

7. as interesting as this one

so sánh bằng: as adj as

8. the noisiest student in the school

so sánh hơn nhất với tính từ 2 âm tiết kết thúc bằng đuôi y giống với tính từ ngắn

9. read a less boring book than this one

have never Vp2: chưa từng làm gì

10. city in Viet Nam is more liveable than Vung Tau city

so sánh hơn với tính từ dài: more adj than