1) I (be) ....was..... at Nha Trang last week 

2) Hoa ( watch ) ...watched.....her neighbor make her dress

3) I (play) ..played......volleyball last week

4) Yesterday, I (talk) ...talked.... to my grandmonther

5) Last December , Mom (buy).....bought.... me a new bike

6) Dad ( work ) ...worked...... in Hue a few years ago

7) I ( send)..sent ....... a letter to my penpal last month

8) There (be)....were... two eggs in the fridge

9) The Robinsons (move) ...moves....to Ho Chi Minh city (moved nếu đề yêu cầu là past simple)

10) I ( Receive ) .received.......a letter from your aunt last week

1. Was

2.watches

3. Played

4. Talked

5. Bought 

6. Worked

7. Sent

 8. Are

9. Moves

10. Received