1.                           2.                         3.                       4.
             
     ______                 ______                ______              ______

1.How many books?  Three books.

1. How many rulers?  Four rulers.
            

1. How many bags?  One bag.

1.How many pens?  Two pens.
               

1. How many rubbers?  Six rubbers.                                                                    
           

                                           

A. twelve   B. fifteen   C.  fourteen   D.  seven   E. nine

1. three  nine  five  six  four  ten  eleven  eight
    从小到大：                                             
2. eighteen  fifteen  seventeen  twenty  thirteen
    从大到小：                                              
3. four  seven  ten  six  three  fourteen  nine  five
    写双数：                                                  

A. twenty    
B. six    
C. eighteen