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Viết lại câu sao cho nghĩa không thay đổi
1. We have learnt English for 4 years.
->We started……………………………………………………………….……………
2. My father started to give up smoking last year.
->My father has…………………………………………………………...…………….
3. Lan hasn’t written to Maryam for a month.
->Lan didn’t ………………………………………………………………..……………
4. When did you start to listen to classical music?
->How long……………………………………………………………….……………..?
5. I last saw her 10 years ago.
->I haven’t……………………………………………………………..……..…………
6. How long have you bought this car?
->When did………………………………………………………………..…………..?
7. I haven’t seen so much rain for along time
->It………………………………………………………................................................……
8. It was such a bad news that Mai burst into tears.
->The news ..............................................................................................................................
9. Tom and Mary moved to Paris 20 years ago.
\(\rightarrow\)It is ………………………………………………....................................................…..
10- When did you start working in that factory ?
\(\rightarrow\)How long..............................................................................................................................
11.We haven’t done our exercises yet.
\(\rightarrow\)We have ...............................................................................................................................
12- She last wore that dress at her sister’s wedding.
\(\rightarrow\)She hasn’t ............................................................................................................................
Cho \(\Delta ABC\) vuông tại A. Trên tia đối tia AB lấy D sao cho B là trung điểm của AD. Qua B vẽ đường thẳng vuông góc với AD cắt CD tại E.
a) C/m \(\Delta ABE=\Delta DBE\)
b) Kẻ \(AK\perp BC\) tại K. Qua D kẻ đường thẳng vuông góc với CB tại F. C/m B là trung điểm của KF.
c) C/m \(\Delta AEC\) cân
Điền từ trong bảng vào chỗ trống
| charity | service | benefits | volunteers | efforts |
| help | activities | homeless | fund | member |
1. Children should ......... their parents do household chores.
2. After the earthquake, there are lots of ......... people.
3. That activity need lot of .........
4. Health .......... is not good enough in this country.
5. People who do volunteering work are called ........
6. I have taken part in some.........
7. Doing volunteering work brings lots of..........
8. I work for a .......... shop.
9. We are raising .......... for disabled children.
10. I'm a ........... of 3R organization.