tham khảo:

Vì đêm rằm âm lịch Mặt Trời, Mặt Trăng, Trái Đất mới có khả năng nằm trên cùng 1 đường thẳng. Trái đất có thể chắn ánh sáng Mặt Trời không cho chiếu xuống Mặt Trăng.

a/b(b khác 0)

-202

= - 202

1. The city leaders made success to reduce robbery, violent traffic jams and

                  A                      B                                         C

unemployment very well.

   D

2. Their city is dense populated, and it may cause some difficult problems in

     A                                           B                      C

increasing the quality of living condition.

                                                        D

3. The improvement of people's living will help to decrease poor in mountainous areas

A                                                   B                       C                     D

4. There will be fewer green trees in the city than there used to be when a new park

A             B                                                                            C

will be built next year.

           D

5. There are less exhaust fumes than there were when cars are limited to transport

  A                    B                    C                                               D

in rush hours.

6. She hasn't tidied up his kitchen after cooking, hasn't she?

     A                 B       C                         D

7. Her father isn't listening to news on the radio, does he?

         A             B           C               D

8. It is said that the quality of atmosphere isn't good for smoke and gases from

         A                                                             B             C

lots of vehicles.

     D

9. They lack good physics to cure dangerous diseases in the area.

      A                     B            C                                         D

10. Perhaps she won't be driven to visit her friend this time next week because of

      A                              B                                                                          C

the prediction of the bad weather.

                                             D

You used to love going out when we were young, didn’t you/ usedn’t you?

 Drought has________ many countries in Africa after a long period of dry weather. (affect)

. We lived in rented__________ before buying this house. (accommodate)

21. Drought has________ many countries in Africa after a long period of dry weather. (affect)

22. Nuclear power can be used for___________ or military purposes. (peace)

23. The government is trying to limit population____________. (grow) 

24. A megacity is a very large city with big____________. (popular)

25. Healthcare workers who offer____________ care to others are some of the lowest paid people in the country. (medicine)