4．I lived on the ___________ (three) floor．

3．People use computers ___________ (wide) to solve problems．

2．There are many types of ___________ (pollute)．

1．I have the ___________ (1ittle)mistakes in my class．

10．___________ (not mend)my watch yet．

  A．用所给词的适当形式填空

9．She ___________ (tear)a piece of paper yesterday．

8．___________ (take)a bag with you when you come here tomorrow．

7．I ___________ (not receive)any e―mail from Tom since last year．

6．Would you please ___________ (get)some drink for me?

5．You had better ___________ (have)some more fruit．It's good for your health．