1/the girl is my classmate. She lives opposite my house -> the girl
2/do you know the man? His car is in front of my house -> do you
3/there's canteen. Students usually have lunch in the canteen -> there's
4/this is the theatre. His father used to work there -> this is
5/that woman was a...
1/you didn't tel the reason. You failed the exam for that reason ->you didn't
2/she took me to her house. She grew up in this house ->she took
3/please ask them the time. The train started the trip at that time ->please ask
4/i don't know the reason. She didn't talk to me for it -> i don't
5/do...
Đổi sang dạng chủ động
1/Oil lamps were used years ago
2/my class will be taught by dr.johnson
3/the decision was made by the lawyer
4/the roads have not been improved
5/their money was wasted
6/their army is being defeated by ours
7/the match was being won by the better side
8/the window had...
1/those books belong to Ann. They are on the table ->those
2/the artists performed many wonderful shows. We met them yesterday ->the artists
3/they are the children. Their team won the match -> they are
4/she found a dog. It's leg was broken ->she found
5/my father bought a motorbike. The...
1/we expect students not to talk during the examination
2/they can't make tea with cold water
3/someone will blow a whistle if there is an emergency
4/the boys broke the window yesterday
5/you musn't touch this button while the experiment is in progress
6/they will hold the meeting before May...
Đổi sang dạng bị động
1/we must look after this child
2/people wii laugh at you
3/no one can answer your question
4/i told him to write to the address
5/is mr.tom going to give a lecture next week?
6/somebody has taken my rubber
7/people should not speak about such things in public
8/somebody...
1/nobody has spoken to me like that before
2/he spoke about warm country
3/they are washing the dishes
4/somebody must post this letter
5/my friend mailed that letter
6/they had cleaned the floor when i arrived
7/peole will laugh at you
8/the shoe repairman was mending my shoes
9/has anymore...
1/Tuan and Lan no longer meet each other on saturdays -> Tuan and Lan used
2/there isn't an old theatre in front of my house any longer -> there
3/he learns mathematics very well now -> he didn't use
4/there was no law that restricted hunting and fishing in the past -> there used
5/ Mrs.Smith...
Cho các chất : Li2O , AlF3 , CaCl2 , K2S , Na3N
1) cho biết loại liên kết trong phân tử các chất trên và viết sơ đồ tạo thành liên kết
2) viết ptphư( có ghi sự di chuyển e ) tạo thành các hợp chất trên từ các đơn chất tương ứng
1/it is a shame to do that -> doing
2/it is hotter to live in city than to live in countryside -> living
3/it was his tendency to live alone -> living
4/it's not easy to covince him -> convincing