初中英语派生法填空题

In the school hallways，the students are supposed to speak and act　quietly　 （quiet）．

The seat is hard and　　 （comfortable） to sit on，so I have a sore back．

The math problem isn't difficult，and I can work it out　　 （easy）．

Which is more　　 （value） to you， health or wealth？

Liu Mei's parents are both excellent 　　（teach）in our city．

He is too weak． It's 　　（possible） for him to move the heavy box．

He is too weak． It's 　　（possible） for him to move the heavy box．

It often rains 　　（heavy）in this season every year．

With the 　　（develop）of science and technology，life is becoming much easier．

Smoking is 　　（harm）．

按照括号内的要求写出下列单词的相应形式．

11．nine（序数词） 　　

12．piano（复数） 　　

13．long（名词） 　　

14．little（最高级） 　　

15．breath（动词） 　　

16．balance（形容词） 　　

17．they（反身代词） 　　

18．through（同音词） 　　

19．appear（ 反义词） 　　

20．beat（过去分词） 　　．