1. Which is the longer river in Vietnam?

*Giải thích : longest

2. What color is his hair? -They’re black.

*Giải thích : It's

3. What’s sports does Nam play? - He plays soccer and swims. (x2)

*Giải thích : are

4. We shouldn’t pollute the environment. We shouldn’t wasting water.

*Giải thích : waste

5. There are some egg in the box.

*Giải thích : eggs

6. They sometimes go camp when it is warm. (x2)

*Giải thích : camping

7. Which language do you speak ? - I speak Vietnam.

*Giải thích : Vietnamese

8. Mexico City is the bigger city in the world.

*Giải thích : Biggest

9. We are burning too many coal, oil andgas.

*Giải thích : Much

10. Long is tall and thin. His hair are short and black.

*Giải thích : Is 

Làm trước xin 5* và ctlhn ^^!

1 which

2 they're

3 plays

4 pollute