选词填空。
in   on   at   of   for
1. I live _____ Beijing.
2. I see a book ____ the desk.
3. I usually stay____ home.
4. How many months are there ___ a year？
5. December is the last month ___ the year.
6. This is ____ you.
7. We write Christmas cards ___our friends and family.

We often borrow books ______ the library. (   )

A．on

B．from

C．to

It’ s a map _____ my community. (  )

A．about

B．of

C．with

The children sing      their parents.（   ）

A．to

B．at

C．for

Turn right _______ the school, then go ______.

A．of; left

B．at; straight

C．in; straight