1.He studies in a university west of Beijing.
2.He came across an old painting at his friend’s house.
3.I had the windows cleaned yesterday.
4.He used to play basketball every Sunday.
5.She would buy a large house if she won the lottery.
6.Both of the boys are good at singing.
7.They enjoyed themselves at the party.
8.She doesn’t like swimming and neither does her sister.
9.I’ve been learning English for three years.