Đáp án+ giải thích các bước giải:

1. My sister is watching TV in the living room.
(Present continuous: action happening now.) ← giải thích

2. Mrs. Smith talks English to her students.
(Simple present: habitual action.) ← giải thích 

3. I and my friend are waiting for the bus number 6.
(Present continuous: action happening now.) ← giải thích 

4. My friends are playing tennis.
(Present continuous: action happening now.) ← giải thích 

5. It is not raining outside. It's sunny.
(Present continuous: current condition.) ← giải thích 

6. The cat caught the mouse in the garden.
(Simple past: completed action.) ← giải thích 

7. My husband is watering the plants.
(Present continuous: action happening now.) ← giải thích 

8. I am not watching Tom and Jerry, I am watching a football match.
(Present continuous: actions happening now.) ← giải thích 

9. My neighbor is planting some trees in his garden.
(Present continuous: action happening now.) ← giải thích 

10. Mr. Brown is making a cup of coffee.
(Present continuous: action happening now.) ← giải thích 

11. Someone has locked the door.
(Present perfect: action relevant to the present.) ← giải thích 

12. Julia is having lunch in the cafeteria.
(Present continuous: action happening now.) ← giải thích 

13. My wife and I are planning to travel to Nha Trang.
(Present continuous: future arrangement.) ← giải thích 

14. Richard is paying his phone bill.
(Present continuous: action happening now.) ← giải thích 

15. My friends met each other in New York.
(Simple past: completed action.) ← giải thích 

16. I am filling the bucket with water.
(Present continuous: action happening now.) ← giải thích 

17. The barber is cutting my hair.
(Present continuous: action happening now.) ← giải thích 

18. Are you having breakfast now?
(Present continuous: question about current action.) ← giải thích 

19. She is showing her report to her boss.
(Present continuous: action happening now.) ← giải thích 

20. My daughter is getting dressed.
(Present continuous: action happening now.) ← giải thích