2

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có trăng, sao, mặt trời, mưa, nắng, tuyết ,...

1. She is listening to music now.

2. Look! They are playing football in the park.

3. I am doing my homework at the moment.

4. We are watching a movie right now.

5. My mother cooks dinner in the kitchen.

6. The baby cries because he is hungry.

7. They aren't study for the test now.

9. Listen ! Somene is knocking on the door.

8. What are you doing now?

11. My father reads a newspaper in the living room.

12. The students don't pay attention to the lesson.

13. Where are your sister going now?

14. The birds sings in the trees.

15. I am not use my phone at the moment.

16. He running in the park right now.

17. Look! The cat chasing a mouse.

18. Why are they shout so loudly?

19. We are have lunch at the moment.

20. My grandparents sit in the garden and drinking tea.

Đổi 1 phút = 60 giây

➜ 0,75 × 60 = 45 giây

Vậy 0,75 phút = 45 giây.

❤1 + 5 - 1 × 4

= 1 + 5 - 4

= 6 - 4

= 2.

Giải

Nam có số viên bi là:

60 : 5 = 12( viên )

Bảo có số viên bi là:

12 + 18 = 30( viên )

Đ/S:...

đập con muỗi

5 × 5 = 25

37 ngày 16 giờ × 4 = 148 ngày 64 giờ