1.Nga / break / the cup / yesterday / because / be careless.

2.It / be / very kind / you / say so.

3.If Loc had/ car/ he drive it/ work.

4.Lan / be sick / today / so / cannot / go / the party.

Chatting ,which ,where, at, gained , instead ,on

1. We have lived in this town ………………..ten years. 2. Workers loved wearing jean cloth ………………..the material was very strong. 3. We have lived in this town ………………..1998. 4. My sister is fond ………………..wearing school uniform everyday. 5. The bus parked at the parking lot....................waited for people to come back. 6. The price of petrol will go up ........................ November. 7. He tried hard . ..........................., he got good grades. 8. Late ……………………the afternoon, we went shopping. 9. I’m looking forward…………………………..hearing from you. 10. Solar energy is cheap and unpolluted, ..................... many people like to use it.

Cho 201 số nguyên dương khác nhau, giá trị mỗi số không vượt quá 800. Chứng minh rằng luôn tìm được 2 số x, y trong 222 số đó mà x – y thuộc {2; 4; 6} 

gấp ạ

.. ............warn the local people about the air pollution. (environment) *