注意:此页面搜索的是所有试题
题目内容
(中原工学院Z成人英语2)
They are going downtown________bus instead of_______their bikes..
A.by,by
B.on;by
C.by;in
D.by;on
A.by,by
B.on;by
C.by;in
D.by;on
参考答案