Đáp án :

1 . Sửa : It was the biggest building that I have ever seen  

( Vì biggest là dạng so sánh nhất )

2 . Sửa : The Mekong is one of the loggest rivers in the world

( Vì loggest chỉ đi với " one of the ...")

3 . Sửa : Many people believe that New York is the greatest city in America

( Vì great không dùng với most )

4 . Sửa :They asked a lot of question , checked their figures , and came up with the best solution

( Vì trước chỗ  " best solution " thiếu " the ")

5 . Sửa : It is certainly true that the average woman has weaker muscles than the average man 

( Vì "that" không dùng để so sánh , thay cho "than")

6 . In 1925,he joined the advertising department of DobbleDay Page and Company one of the laggest publishing house in New York 

( Vì " most large" không đúng , thay cho "larggest")

MOÁI MOÁI 5 SAO VÀ CTRLHNH ĐI Ạ ~~~~