Số cần tìm là : 

2000 + 2000 = 2000 x 2 = 4000

Vậy số cần tìm là : 4000 

ai mih mih lại nhé =)))

III. supply the correct word form

21. Jeans are __widely_______worn by both teenagers and adult.(wide)

22. The news on VTV 1 is very ____informative_______.(inform)

23. We have many well____qualified______teacher.(qualify)

24. Fashion ___designers__have modernized the Aodai.(design)

càm ơn bạn nha

con tim

1. A.boss. B.doctor C.more. D.job

2. A.pagoda B.term. C.about. D.other

3. A.university B.study. C.subject D.funny

4. A.furniture B.mature C.picture D.adventure

5. A.guitar B.farther C.grammar D.far

6. Would you mind .......the door, please?

A.closing B.to close C.close D.to closing

7. My family........in HCM many years ago.

A.live. B.has lived C.lived D.had lived

8. Nam usually........television in the evening

A.watched B.watches. C.had watched D.has watched

9. My father didn't......coffee for breakfast

A.used to drink. B.use to drink C.use to drinking D.use be drinking

10. Someone has used this room for five years

A.this room has used for five years B.this room has been used for five years C.this room have been used for five years D.this room have used for five years

11. Our class .......a picnic at Huong Pagoda this Sunday

A.am having. B.will have C.is going to have. D.have

12. .........Tom's illness, he had to cancel the appointment

A. Because B. Because of C. Though. D. In spite of

13. The boy........talked to our teacher yesterday is our new classmate

A.who. B.which. C.that. D. A&C are correct

14. A......is a film or a television program giving facts about something

A.comedy B.documentary. C.drama. D.cartoon

15. Thanks to new farming techniques, we had _bumper crops___

A.bad crops. B.old crops C.new crops. D.good crops

16. We're going to make a two-day ........to visit Huong Pagoda

A.travel B.excursion C.voyage D.gone

17. Computer is an.........storage device which manages large collections of data

A.electric B.electricity C.electronic D.electrify

18. Would you like(have) ..to have ......dinner with me?

19. We (be). .have been .......best friends for a long time

20. The room (clean).....has been cleaned ....by Mary since Thursday

21. Look at the black sky. It( rain)_.....is going to rain ....soon

22. Ha Noi is very beautiful. It is the capital of Vietnam ( use"which")

.....Ha Noi which is the capital of Vietnam is very beautiful .....

23. They have built this bridge since 2007 ( change into "passive")

......This bridge has been built since 2007 .....

24. Nam usually got up early when he was a boy, but now he doesn't ( use "used to)

........Nam used to get up early when he was a boy .........

25. Peter goes to school __by bike__( make question for the underlined part)

.....How does Peter go to school? ....

                                            Giải 

                       Chiều rộng hình chữ nhật đó là :

                              35 x 3/5 = 7 ( cm )

                       Diện tích hình chữ nhật đó là :

                                 35 x 7 = 245 ( cm² )

                                           Đáp số : 245 cm²

600 + 600 = 1200 nha bạn

Ai k mk mk k lại

1000 nha ban

30

k nha

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