6. I don't work as hard as my sister does. (dùng as...as để so sánh)

7. It is difficult to find an apartment in a big city. (is not easy cũng là difficult)

8. There are 28 days in February. (câu cùng nghĩa)

9 What is the height of the Big Ben Tower? (high ⇒ height)

10 How heavy is your son? (ko chắc từ heavy)

11 How much does this face mask cost? (how much does .... cost?)

12 What is the length of the Mekong River? (có từ length rồi! Thay thế vào thôi!)

Học tốt nha!

6, I don't word as hard as my sister does

7, It is not easy to find an apartment in a big city

8, There are 28 days in February

9, What is the hight of the Big Ben Tower ?

10, How heavy is your son ?

11, How much does this face mask cost ?

12, What is the length of the Mekong River ?