根据图片选出正确的单词。   
（1）________
(one   two   three   four   five)    (chair   chairs)
（2）________
(one   two   three    four    five) (desk   desks)
（3）________
(six  seven   eight   nine    ten) (ruler  rulers)
（4）________
(five    six    seven    eight    nine) (book   books)
（5）________
(two   three  four   five six)    (boy  boys)