1. The Chinese ships tresspassed 80 miles into Vietnamese sea on the May 26
2. When I got home,they was watching TV, they weren't doing their homework.
3. What was Ha doing at 6.30 this morning? - She was swimming
4. She was listening to music when the phone rang
5. We were studying unit 18 at this time last week.
6. I didn't visit Ha Long bay last year,because I was busy
7. The train left the station yesterday afternoon.
8. My parents were having dinner by the time I got home yesterday.
9. Bill Gate didn’t earn $ 300 in 2005, he was earning $ 175.
10, Where did you meet Tom this morning ?
- I met him in front of the school library and he didn’t look cheerful as usual.