1) chia động từ trong ngoặc ở thì HTHT
1. The bill isn't right.They (make) have made a mistake
2.Don't you want to see this programme? It (start) has started
3.I (turn)have turned the heating on.It'll soon get warm in here
4. ...have they (pay) paid money for your mother yet?
5. Someone (take) has taken my bicycle
6. Wait for few minutes, please! I (finish)have finished my dinner
7. ..have . you ever (eat) eaten Sushi?
8.She(not/come) hasn't come here for a long time
9.I (work) have worked here for three years
10. ..have . you ever (be) been in New York?