挑出每组中不同类的单词。( )(1)A. hair B. neck C. rabbit ( )(2)A. bear B. pen C. book( )(3)A. mouth B. mouse C. leg ( )(4)A. hand B. dog C. foot ( )(5)A. scissors B. eraser C. face
---How is the young man? ---________
We should not eat ________junk food.
I think walking is ________our health.
---________---I have a headache.
You should take this medicine _________ a day.