Đỗ Thanh Hải
2 phút trước

1 Minh's school have 24 students

2 there 5 people in Minh's family

3 home by car

4 a taxi to work

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Phan Thị Ngọc Lan

Exercise IV. Choose the best answers to complete the sentences.

1. Mark usually goes to the art club to draw pictures and paint them. His friends like his pictures a lot. Mark is very……………….

A. creative

  B. talkative

C. hard-working

D. sociable

2. My mum and dad ………………. work on Saturdays and Sundays.

A. doesn’t

B. don’t

C. isn’t

D. aren’t

3. Trang always gets up early so she is usually early ………………. school.

A. on

B. for

C. at

D. to

4. "Can you pass me the soda, please?"- ……………….

A. Sorry?     

 B. No, thank you     

C. Yes, why? 

D. Here you are

5. Tam is very pretty with her ……………….

A. brown long hair                               B. hair long brown

C. long brown hair                              D. brown hair long

6. John isn’t fat ………………. he is very strong.

A. but                   

B. so                 

C. because           

D. and

7. My friend ………………. a round face and short hair.

A. have                       

B. is               

C. are               

D. has

8. Students live and study in a / an ______ school. They only go home at weekends.

A. secondary                  B. international               C. boarding                                                         D. private

9. There ………a big table and some chairs……… the right ………… the bed.

A. is-on-in

B. are-on-of

C. are-in-on

D. is-to-of

10. There are many books and things on the floor. It’s really …………

A. clean

B. messy

C. interesting

D. tidy

11. “Would you like to come to my house for lunch?” – “ ______________”

A. It’s my pleasure    

B. Thank you

C. I’m busy

D. I’d love to

12. Man: Congratulations! Boy: _____________

A. I’m sorry.

B. Thank you.

C. What a pity!

D. Lucky you.

Đỗ Thanh Hải
Vài giây trước

1. Mark usually goes to the art club to draw pictures and paint them. His friends like his pictures a lot. Mark is very……………….

A. creative

  B. talkative

C. hard-working

D. sociable

2. My mum and dad ………………. work on Saturdays and Sundays.

A. doesn’t

B. don’t

C. isn’t

D. aren’t

3. Trang always gets up early so she is usually early ………………. school.

A. on

B. for

C. at

D. to

4. "Can you pass me the soda, please?"- ……………….

A. Sorry?     

 B. No, thank you     

C. Yes, why? 

D. Here you are

5. Tam is very pretty with her ……………….

A. brown long hair                               B. hair long brown

C. long brown hair                              D. brown hair long

6. John isn’t fat ………………. he is very strong.

A. but                   

B. so                 

C. because           

D. and

7. My friend ………………. a round face and short hair.

A. have                       

B. is               

C. are               

D. has

8. Students live and study in a / an ______ school. They only go home at weekends.

A. secondary                  B. international               C. boarding                                                         D. private

9. There ………a big table and some chairs……… the right ………… the bed.

A. is-on-in

B. are-on-of

C. are-in-on

D. is-to-of

10. There are many books and things on the floor. It’s really …………

A. clean

B. messy

C. interesting

D. tidy

11. “Would you like to come to my house for lunch?” – “ ______________”

A. It’s my pleasure    

B. Thank you

C. I’m busy

D. I’d love to

12. Man: Congratulations! Boy: _____________

A. I’m sorry.

B. Thank you.

C. What a pity!

D. Lucky you.

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Thuỳ Dương
4 phút trước

1. Minh likes English.

2. Yes, it is

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Đỗ Thanh Hải
4 phút trước

1 He likes English

2 Yes, it is

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\(C=\left(3+3^3+3^5\right)+\left(3^7+3^9+3^{11}\right)+...+\left(3^{1987}+3^{1989}+3^{1991}\right)\\ C=\left(3+3^3+3^5\right)+3^6\left(3+3^3+3^5\right)+...+3^{1986}\left(3+3^3+3^5\right)\\ C=\left(3+3^3+3^5\right)\left(1+3^6+...+3^{1986}\right)\\ C=273\left(1+3^6+...+3^{1986}\right)\\ C=13\cdot21\left(1+3^6+...+3^{1986}\right)⋮13\\ C=\left(3+3^3+3^5+3^7\right)+\left(3^9+3^{11}+3^{13}+3^{15}\right)+...+\left(3^{1985}+3^{1987}+3^{1989}+3^{1991}\right)\\ C=\left(3+3^3+3^5+3^7\right)+3^8\left(3+3^3+3^5+3^7\right)+...+3^{1984}\left(3+3^3+3^5+3^7\right)\\ C=\left(3+3^3+3^5+3^7\right)\left(1+3^8+...+3^{1984}\right)\\ C=2460\left(1+3^8+...+3^{1984}\right)\\ C=41\cdot60\left(1+3^8+...+3^{1984}\right)⋮41\)

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