1.Whose chocolates are these?
2.David,please don‘t close the window
3.What are you doing in the classroom?
4.Are you walking? yes,I am
5.Whose bicycles are they?
6.The chair is in front of the desk
7.What does Tom like doing?
8.The dog doesn‘t walk down the road
9.But now Jill usually looks at stars before bedtime
10.Do you do your homework in your bedroom ? yes ,I do