She thanked her mother ______the present. ( )

A．to

B．for

C．of

选出单词中不同类的一项。 
（____）1. A. desk B. chair C. bag 
（____）2. A. on B. book C. under 
（____）3. A. ruler B. near C. in

My grandfather walks  two hours every morning. （   ）

A．with

B．at

C．for

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.

It’s square ______ shape and green ______ colour. （   ）

A．in, at

B．at, on

C．in, in