Chia động từ trong ngoặc: The park gates (lock) ....... at 6.30 every evening

5. The park gates (lock) ...................................... at 6.30 every evening.

6. The letter (post) ................................ a week ago and it (arrive) ........... yesterday.

7. The boat (sink)......................quickly but luckily everyone (rescue)..................

8. I was born in London but I (grow)..........................up in Paris.

9. John's parents (die)............................when he was very young. He and his sister (bring) ........................ up by their aunt.

10. This knife often (use) ................................ to cut oranges.

11. A lot of paper (recycle) ............................ when we (come) …………… there.

12. Tet holiday in Viet Nam (celebrate) .......................... around January and February.

13. The first festival (hold) .............................. nearly eight hundred years ago.

14. The sewing machine you (use) .......................... at present (invent) ............................. in 1830 by a French

15. The first plane (build) ........................................ by Wright brothers in 1903?