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. Chuyển các câu sau từ thì hiện tại hoàn thành sang thì quá khứ đơn sao cho nghĩa của câu không thay đổi.
1. We have learned English for 10 years.
=> _____________________ We started learning English 10 years ago. _______________________________________________.
2. It has been a long time since we last met.
=> ____________________ The last time we met was a long time ago.________________________________________________.
3. Ms. Ann hasn’t taken part in any voluntary programs for 4 years.
=> ___________________ The last time Mr.s Ann took part in many voluntary programs was 4 years ago._________________________________________________.
4. I haven’t mer my family since last Christmas.
=> __________________________ The last time I met my family was (the) last Christmas.__________________________________________.
5. How long have you lived here?
=> _______________________ When did you start living here ?_____________________________________________.
6. The volunteers have provided free food and fresh water to homeless people since yesterday.
=> ___________________ The volunteers provided free food and fresh water to homeless people yesterday. _________________________________________________.
7. The doctor has quitted his job in the local hospital and moved to the central hospital for 2 days.
=> _____________________ The doctor quitted his job in the local hospital and moved to the central hospital 2 days ago. _______________________________________________.
8. The children haven’t had a long vacation since last year.
=> ___________________________ The last time the children had a long vacation was last year. _________________________________________.
9. They haven’t visited their parents for 3 months.
=> _____________________ The last time they visited their parents was 3 months ago._______________________________________________.
10. It has been 2 years since we broke up.
=> ___________________ We broke up 2 years ago. _________________________________________________.
1. We have learned English for 10 years.
=> _____________________ We started learning English 10 years ago. _______________________________________________.
2. It has been a long time since we last met.
=> ____________________ The last time we met was a long time ago.________________________________________________.
3. Ms. Ann hasn’t taken part in any voluntary programs for 4 years.
=> ___________________ The last time Mr.s Ann took part in many voluntary programs was 4 years ago._________________________________________________.
4. I haven’t mer my family since last Christmas.
=> __________________________ The last time I met my family was (the) last Christmas.__________________________________________.
5. How long have you lived here?
=> _______________________ When did you start living here ?_____________________________________________.
6. The volunteers have provided free food and fresh water to homeless people since yesterday.
=> ___________________ The volunteers provided free food and fresh water to homeless people yesterday. _________________________________________________.
7. The doctor has quitted his job in the local hospital and moved to the central hospital for 2 days.
=> _____________________ The doctor quitted his job in the local hospital and moved to the central hospital 2 days ago. _______________________________________________.
8. The children haven’t had a long vacation since last year.
=> ___________________________ The last time the children had a long vacation was last year. _________________________________________.
9. They haven’t visited their parents for 3 months.
=> _____________________ The last time they visited their parents was 3 months ago._______________________________________________.
10. It has been 2 years since we broke up.
=> ___________________ We broke up 2 years ago
Một trong những thư viện lớn nhất nước Mĩ của quốc hội. Nó nằm ở Wasington, thủ đô của nước Mĩ. Nó nhận nhiệm vụ sao chép tất cả sách ơ nước Mĩ. Nó bao gồm hơn 100 triệu cuốn sách với 1000 kilomet giá sách. Và nó co hơn 5000 người làm.
Xong phim
thanks, và xin góp ý
1. There is a big library in Lan's school
Lan's school has a big library
2. The school library has over five thousand books
There are over five thousand books in the school library
3. I like Math more than any other subiects
Math is my favourite subjects
Viết lại những câu sau cho nghĩa ko thay đổi
1. There is a big library in Lan's school
Lan's school has a big library.
2. The school library has over five thousand books
There are over five thousand books in the school library.
3. I like Math more than any other subiects
Math is my favourite subjects.
tick mk nha 
1. The library lends both students and teachers to borrow books .
2. I have never painted a mural over graffiti.
3. It's five months that they haven't cleaned up the street.
4. We began donating books and clothes 10 years ago.
- The library lends both students and teachers books
- I have never painted a mural over graffiti
- It is five months since I last cleaned up
- We began to donate books and clothes ten years ago
1. I haven't played the violin for 2 years.
2. The team haven't won the prize for a long time.
3. She have done charity work since 2 years ago.
4. I haven't written letter for 5 years.
5. My father hasn't smoked since 2014.
6.I haven't donated blood for 7 months.
7. How long have you done charitable work?
8. She has involved in community service since 2 months ago.
9. She said: "I have worked as an activist since I was 20 years old."
10. My best friend hasn't eaten fast food since last year.
It's one - forty five now. It's time for take a rest
There are over 100 milions books in the United State's library of Congress.
E chưa chắc chắn là câu này đúng c nhé!