This is my _________ . （   ）

A．bags

B．hat

C．pens

Put your hands on your _______.  ( )

A．leg

B．head

C．legs

tiger的复数_______________

I am a ________ fan. (  )

A．sports

B．sport

用所给词的正确形式填空。
【小题1】They visited “The World of Robots” on the __________ (two) floor.
【小题2】Alice is good at dancing. She is a good __________ (dance).
【小题3】Peter __________ (buy) a model plane yesterday.
【小题4】He __________ (can) eat five hamburgers a day ten years ago.
【小题5】Horses can run very __________ (fast).