Câu 21. They / next week. / will install/ of our house /solar/ panels on /the roof 
Câu 22. next month. / will build/ a new school/ poor children /for /They
Câu 23. next month. / We /will /be using/ biogas for/ cooking and heating at / this time / 
Câu 21. hometown. /They /sell/ my/ these chemicals/ everywhere/ in
Câu 22. of this year. /They/ will /destroy the / at the end /old thermal power plant 
Câu 21. president/ Some/ on TV. /people /will interview/ the new
Câu 23. in my/ They/ hometown. /sell these/ chemicals /everywhere 
Câu 22. Friday. /They won't / sources next /show the/ film on types of /future energy 
Câu 23. Will the plumber /two days? / check/ cracks on/ pipes in/the water

Choose the correct sentence 1. They will install solar panels on the roof of our house next week. A. Solar panels will install on the roof of our house next week. B. Solar panels will installed on the roof of our house next week. C. Solar panels will be installed on the roof our house next week. D. Solar panels will be installed on the roof of our house next week. 2. Mai went to HCM City last month and it was her second time. A. That was the first time Mai went to HCM City. B. That wasn’t the first time Mai went to HCM City. C. That was the second time Mai went to HCM City. D. That was the last time Mai went to HCM City. 3. Motobikes cause pollution. However, people still like them. A. Although motorbikes cause pollution, people still like them. B. Inspite of motorbikes cause pollution, people still like them. C. Despite motorbikes cause pollution, people still like them. D. Because motorbikes cause pollution, people still like them. 4. They used gas for cooking, now they don’t. A. They used to used gas for cooking. B. They used to use gas for cooking. C. They don’t used gas for cooking. D. They didn’t used to use gas for cooking. 5. We find learning Math interesting. A. We interested in learning Math. B. We are interested learning Math. C. Learning Math interested us. D. We are interested in learning Math. 6. We can use biogas for cooking and heating instead of electricity. A. Biogas can be used instead of electricity for cooking and heating. B. Biogas can used instead of electricity for cooking and heating. C. Biogas can be used for cooking and heating instead of electricity. D. Biogas can used for cooking and heating instead of electricity. 7. Yesterday we decided to paddle around West Lake in a canoe. A. We decided to ride around Hoan Kiem lake in a canoe last Sunday. B. We decided to walk around Hoan Kiem lake in a canoe last Sunday. C. We decided to run around Hoan Kiem lake in a canoe last Sunday D. We decided to go around Hoan Kiem lake in a canoe last Sunday Reoder the words to make right sentence 8. This time tomorrow/ yard./ football/ they/the/ will be playing/in A. They will be playing football this time tomorrow in the yard. B. They will be playing in the yard football this time tomorrow. C. This time tomorrow will be playing football in the yard they. D. This time tomorrow they will be playing football in the yard. Complete sentences using the words/ phrases given in their correct forms. 9. We/ plant/ trees/ flowers/ along/ street/ next Sunday/. A. Trees and flowers we will plant along the street next Sunday. B. We will plant trees and flowers along the street next Sunday. C. We plant trees and flowers along the street next Sunday. D. Next Sunday we will plant trees and flowers along the street.

1.At 10 o’clock tomorrow I (work) ...... in my office.            

2.What we (do) ...... to save electricity in the future ?

3. Your dad (install) ....... new glass in the windows to stop heat escaping at this time next week ?

4. Listen ! The little boy (study) ...... Unit 10.

5.Plants (burn) to produce heat in the countryside next year.

6.They (look) for cheap, clean, and effective sources of energy for the time being.

7.Solar power (provide) freely by the sun next year ? 

8.You (put) solar panels on the roof of your house to get power last year ? 

9.Using coal (pollute) in the village now.

10.  People (spend) a lot of money on heating for a long time.

11.  What you (learn) this time tomorrow ?

12.  Over the last few thirty years, there (be) a growing number of extreme weather events.

13.  Six years from now, he (run) a big company.

14.Wood (float) on the water. Everybody (know) that.

15. Our country (develop) rapidly for the last twenty years. 

Giúp em với ạ cảm ơn mn nhiều ):3