请读一读句子,并把谜底编号写在各句子的前面括号内.
（ ）1.What room has no walls,no doors,no window,and no floors?
( ) 2.What has teeth but cannot eat?
( ) 3.What animal has a head like a cat,eyes like a cat,a tail like a cat,but isn't a cat?
A.a doorbell B.post office C.a mushroom D.a kitten E.a comb F.I myself G.sixty H.are you asleep?