Wu Yifan is collecting ______.
A. leaf B. leaves C. leafs
找出每组单词中不同类的一个。
( )（1）A. fifteen B. catC. bird
( )（2）A. sixteenB. bigC. twenty
( )（3）A. shortB. seventeen C. eleven
( )（4）A. fatherB .motherC. eighteen
读一读，选择最佳答句。
You _____ 16 crayons.
A. haveB. has
---How many _______ do you have?
---I see 14 .
A. kite B. kites
---How many cats do you see?
---_________
A. I see 12. B. I have 13.