1. What was your father's job 2 years ago ?
2.When did Nga study English ?
3.How long did he spend repairing his bike ?
4.When did she go to the library ?
5. Who did you have dinner with last night ?
6.Why did he go to work ?
7.How old is her sister ?
8.How far is it from your house to school ?
9.How heavy are you ?
10.How is she ?