.... giving Mary a bracelet on her birthday party

Chết quên chưa ấn đọc tiếp nên mình nhìn thấy mỗi câu 13 :)

Mạng lag rồi. Thấy mỗi câu 13 khi rút gobj ảnh thôi :(

30. Is English taught here ?

31. Were some exercises given by the teacher ?

... dài quá

D nha

1. It takes me 20 minutes to walk to school.

2. I enjoy learning history because I am interested in exploring in the past.

C nha

1. Letters are typed in the office by Mary.

2. You will be helped by his father tomorrow.

4. This bottle was broken here by Peter yesterday.

5. Englidh is being learnt in this room (by them) now.

6. My mind can't be changed.

7. I hadn't been told about it.

8. Her telephone number isn't  known (by me).

9. The children will be brought home by my students.

10. I was sent a present last week.

11. We were gave more information by Lan.

12. Tea can't be made with cold water.

13. Some of my books have been taken away.

14. English has been learnt at this school by the children for 5 years.

15. The woman with a red hat was looked at by the children.

16. English is spoken in almost every corner of the world.

A nha

1 GB = 1024 MB

==>  2 GB = 2048 MB

Cấu hình e : 1s2 2s2 2p6 3s2 3p6 3d10 4s1

==> Có 4 lớp e                               ==> Chu kì 4

        Có PMNL cao nhất là d                  10 + 1 = 11 > 10 => Nhóm IB