1how long did your exam last? a) yes, it's my last exam. c) it lasts three hours. b( it lasted three hours. d) it will last three hours. 2 what were you doing when the doorbell rang? a) i was feeding the dog. c) i feeded the dog. b) i fed the dog. d) i am feeding the dog. 3 did you use to have piano lessons? a) yes, i do. b) yes, i did. 4 do you know who broke my skateboard? a) it isn't me. b it isn't . c) no ,thanks. d) it wasn't me. 5 when did he go home? a) two hours ago. b) in two hours' time. c)in two hour's. d) for two hours.
2. B
3. B
4. D
5. A