用in on of to for from填空

用in on of to for from填空
1.May I speak____Miss Green?--Sorry,she's not in.
2.Tom,this new shirt is____you.--Thank you,mum.
3.Excuse me,where's the classroom____Class One?--Room 201.
4.Are you____Beijing?--No,I'm not.
5.What's____the letter box?--Many lettes.
6.Are there any books____the shelf?--Yes,there are.