cho đề hay gì bạn??? nếu là đề thì lên mạng đầy :>>>
1. I'll buy a new car as soon as I (have) have enough money.
2. 30 years ago, we ( not have) didn't have mobile phone.
3. I didn't interrupt Phuong because he ( speak ) was speaking to the teacher.
4. The children used to (go) go a long way to school.
5. Have you ever (ride) ridden a buffalo?