Let's ________ some new books. (    )

A．buy

B．to buy

C．buys

选择动词的过去式：do   (  )

A．doed

B．do

C．did

This is the library. I am ________.(  )

A．reading books

B．painting pictures

C．jumping and running

写出下列动词的ing形式。
【小题1】have __________
【小题2】read __________
【小题3】dance __________
【小题4】draw __________
【小题5】talk __________

根据所给音标，完成句子
1. Don't talk loudly in the ________／'laɪbərɪ／.   
2. We must not eat or ________/drɪŋk/ in the classroom.   
3. We must ________／'lɪsn/to the teacher carefully in the classroom.   
4. Don't run across the street when the red ________/laɪt/is on.   
5. We have all kinds of ________／ruːlz／round us.   
6. —Can I ________／pɑːk／my car here?—Yes, you can.   
7. We must keep ________／'kwaɪət／in the reading room.