chép đề là sao?

ghi lại đề thì b tự lm dc mà

Environmentalists
distinguishing
preparations
Disappointingly
efficient
disastrous
Easter is a joyful festival which is celebrated in many countries.
Some scientists believe that mobile phones are responsible for some health problems.
we traveled abroad was two years ago
tests are always done carefully, is a hard student
had his phone number, she could contact her old friend
quite depressed about the visit to the gallery

5. D

6. A

7. A

8. A

9. D

10. C

11. C

12. A

13. C

14. A

1. A

2. A

3. C

4. A

15. D

16. C