There is one mistake in each sentence below. Find and correct it.
1. He is my friend but not her.
2. Do you like those pants? – Of course I like it.
3. Their is the big blue house over there but they are on holiday now.
4. Is the luxurious car your? – No, look at the girl on the red dress. It’s she.
5. Working is I favourite pastime.
6. George, Pam and Malisa are all my friends but each of they has a different character.
7. Mary and Rosy are in the class. Go and talk to their.
8. Jacky and Ross often boast about theirs success. I really hate someone who just talk about his.
9. Our house is very far from my school.
10. I don’t like my house, I like their.
11. He is the father of mine.
12. She tells me all her stories but I never tell her mine stories.
13. Her is the short pencil and his is the longer one.

V. Put a suitable preposition into the gap if necessary.

1. I live ………………… a small house  ………………… the countryside.

2. My house is  ….… a bookstore and a toystore: the bookstore to the left and the toystore to the right.

3. Miss Mai wants a kilo …………………  meat and a dozen  ………………… eggs.

4. Nga goes  ………school  …… foot every morning and she goes  …..nbbcoh   …… home ………………… four thirty in the afternoon.                                         

   quãng đường trái đất đi được sau 3 giây:    

29,8 x 3 = 89,4 km

vận tốc của sao hỏa khi chuyển động xung quanh mặt trời:

29,8 + 5,7 = 35,5 km/giờ

quãng đường sao hỏa đi được sau 3 giây:

35,5 x 3 = 106,5 km

Đ/s: trái đất: 89,4 km

       sao hỏa: 106,5 km