Tìm và chữa lỗi sai:
1. Bill phoned me yesterday. He want to ask me something.
2. The population of Vietnam is greater than those of Thailand.
3. I went to six or seven countries in the world.
4. A lot of people waited for the 8.00 bus last night.
5. Islam is the country's official region.
6. Maryam and Lan are pen pals for over two years.
( mn giải giúp mình với ạ )
