Chia động từ trong ngoặc ở thì Hiện tại hoàn thành
I. Chia động từ trong ngoặc ở thì Hiện tại hoàn thành
11. (be / you) ______________ at school?
12. School (not/start) ______________ yet.
13. (speak/he) ______________ to his boss?
14. No, he (have / not) ______________ the time yet.
15. The cat (just/catch) ______________ a mouse.
16. He (already/ invite) ______________ his friends.
17. Julia (make) ______________ a table with three columns.
18. The teacher (lose) ______________ the keys, so he can’t open the door.
19. I (just/clean) ______________ my bike.
20. My friends (give up) ______________ smoking.