问题描述：
How long does it take us to go to your hometown from here?it takes us ( )hour or more to go to my
hometown by( )train
A.an,a B.a,an C.an,/ D.a,/
hometown by( )train
A.an,a B.a,an C.an,/ D.a,/
问题解答：
我来补答展开全文阅读