Chia động từ trong ngoặc

1. I (leave) ___________________ my school bag at school this morning.
2. Susan (not know) ________________ about the exam and she did very badly.
3. I (have) _____________________ this bike since I was a teenager and I still use it.
4. (you/ ever be) _____________________ to Ha Noi?

5. Listen! (Someone/knock) ________________________ at the door?

6. Mai often (watch) _________ TV about 1 hours a day, but today she (do) ______ sports.

7.  Hung can’t answer the phone because he (take) ________________ a shower
8. (you/be) __________________ free this afternoon?

9. You must (not/go) _______________ straight ahead when the traffic lights are red.