23、Listen to me, ?
22、Let's go to school, ?
21、Don't open the door, ?
20、Mr Smith made a table last year, ?
19、They wrote letters last Sunday, ?
18、He was a teacher a year ago, ?
17、I bad a rest a moment ago, ?
16、Mrs White is cleaning the room, ?
15、You are doing some washing, ?
14、Tom and Mike are watching TV, ?