1.huyen goes to school on foot every day

2.our class has 42 students

3. he often goes to lon don by plane

4.how much is a bowl of noodles?

5.what is the price of a cake and an apple?

6.how much does a box of chocolate cost?

7.this box has 20 packets of tea

8.how many apples do you want?

9.my sister walks to school

10.there is a garden behind lan'house

11.the bank is near the post office

12.our garden has may flowers

13.ba doesn't live in the country

1.is-it is

2.in-to

3.don't-doesn't

4.starts-start

6.dangerously-dangerous

7.is ride-rides

8.wait-waiting

9.front-front of

10.tree-trees

12.does-do

13.uncles-uncle

15.year-years

16.small-a small

17.a-0

18.live-lives

19.do-doing

IX. Rewrite the following sentences

1. Huyen walks to school every day.

→ Huyen goes to school on foot every day.

2. There are 42 students in our class.

→ Our class has 42 students.

3. He often flies to London.

→ He often goes to lon don by plane.

4. How much does a bowl of noodles cost?

→ How much is a bowl of noodles?

5. How much are a cake and an orange?

→ What is the price of a cake and an apple?

6. What is the price of a box of chocolate?

→ How much does a box of chocolate cost?

7. There are twelve packets of tea in this box.

→ This box has 20 packets of tea.

8. How many apples would you like?

→ How many apples do you want?

9. My sister goes to school on foot.

→ My sister walks to school.

10. The garden is behind Lan's house.

→ There is a garden behind lan'house.

11. The bank is not far from the post office.

→ The bank is near the post office.

12. There are many flowers in our garden.

→ Our garden has may flowers.

13. Ba lives in town.

→ Ba doesn't live in the country.

X. Correct the mistake in the following sentences

1. You should go fishing on Spring when is warm.

* Is → it is

2. She is going in Brazil with her parents.

* In → to

3. John don't have to go, he can stay here.

* Don't → doesn't

4. What time does your classes starts?

* Starts → start

6. It is very dangerously to drive too fast.

* Dangerously → dangerous

7. She is ride her bike to school every day.

* Is ride → rides

8. Who are you wait for?

* Wait → waiting

9. Are there any green trees in front your house?

* In front → in front of

10. There are many tree and flowers around his house. 

* Tree → trees

11. How do you go to school every day?

* Câu này không sai nha bạn!

12. Where does your parents live?

* Does → do

13. My uncles lives on QuangTrung Street.

* Uncles → uncle

15. My grandfather is very old. He is 96 year old.

* Year → years

16. Trang has small house in Hanoi.

* Small house → a small house

17. Trang's house is a very nice and clean

* A → ∅

18. Nam live in a house in the country.

* Live → lives

19. What is she do at the moment?

* Do → doing