Read and circle the extra words：You can borrow books on in the library. ______

—When do you arrive ______ school? ( )
—At about 7:00.

A．to

B．in

C．at

下列句子中各有一处错误，请找出并改在后面横线上。
【小题1】Thatthekitchen. （______） _______________
A  B   C
【小题2】Thereare two sofa.  （______）_______________ 
A   B C
【小题3】Thereisan new fridge. （______） _______________
A  B C
【小题4】I go to sleepon the bedroom. （______）_______________
A    B C
【小题5】There area new desk. （______） _______________
A B C

找出下面各句中的错误，并改正。
1. Tom is going study French. __________
2. The children are playing the football in the park. __________
3. He was born on China.   __________
4. Yang Liwei went in a spaceship but made a video. __________
5. The ducks saw the picnic and eat it. __________

What did you do  the tree? （  ）

A．in

B．on

C．at