---My bike is broken. May I go ______ yours?---Sorry, mine _______ broken down. 
#48239
A
on, is
B
by, is
C
on, has
D
by, has
推荐题目
The teachers always complain about         the         children in class. 
#49848
A
to teach, tired
B
teaching, tired
C
teaching, tiring
D
to teach, tiring
I argued _____ my best friend _____ the problem yesterday.
#48158
A
with; about
B
to; about
C
as; on
D
with; to