Ex: đặt các động từ trong ngoặc vào thì hiện tại hoàn Thành
Dung : ..........you ever (1eat) ...... A philadelphia cheese steak?
Nora: yes ,I have
Nhung:really?..........you(2.be).........to philadelphia?
Nora :yes,I(3.be)........there twice .I(4.be).........to many famous places in the city
Nhung:.........you(5.visit).......the constitution centre?
Nora :No ,I havent't, but I(6.see)........ The liberty bell
Dung: Have you ever eaten a philadelphia cheese steak?
Nora: Yes, I have.
Nhung: Really? Have you been to philadelphia?
Nora: Yes, I have been there twice. I have been to many famous places in the city.
Nhung: Have you visited the constitution centre?
Nora: No, I haven't, but I have seen The Liberty Bell.
Tick cho mình bạn nhé!