看图从括号里选择合适的词填空 (只填序号)。（每小题2分，共10分）
It has two __________ ears.（A.long      B.short）
It has two __________ eyes.(A.small      B.big)
Where is the book? It’s __________the desk.(A.on       B.in)
Where is the cat?  It’s __________the desk.(A.on       B.under)
The mouse is   __________.(A.fat      B.thin)