giúp mình câu 5 với ạ tại sao lại dùng httd ở đây a
View attachment 164749
1. is breaking
2. have you worked
3. have you ever worked
4. is she going
5. had appear
6. didn't wait
7. has stopped
8. lost---have you seen
9. read----haven't finish
10. have read
Anh/Chị tham khảo ạ