一、句型转换：
1.This is her ruler.(改为否定句和一般疑问句）
否定句：This isn't her ruler.或This is not her ruler.
一般疑问句：Is this her ruler?
二、连词成句：
1.do,spell,you,eraser,how
How do you spell eraser?
2.that,your,game,is,computer,the,in,lost,found,and,case
Your computer game is in the lost and found case.
3.563-258,call,please,Cindy,at
Please call Cindy at 563-258.