Look_______ my clock.   It’s nine.  （   ）

A．in

B．at

C．on

— What’s the World Earth Day ?
— It tells people to protect the environment.

A．of

B．in

C．for

D．on

I get ready ______school. （）

A．for

B．to

C．in

We don’t go to school _______ the weekend. (    )

A．at

B．in

C．of

选词填空（词汇运用）
in   at   under  to   on   by   for   with
（1）What do you do ________ Sundays?   
（2）Ms Smart is on the phone ________ her friend.   
（3）Here's a book ________ you.   
（4）In Harbin, it's cold ________ winter.   
（5）The cat is ________ the chair.   
（6）Mike walks ________ school every day(每天).   
（7）Does your father go to work ________ car?   
（8）Please look ________ the bird in the tree.