--- My bike is broken. May I go ______ yours?     ---- Sorry, mine ________ broken down. 
#61766
A
on, is
B
by, is
C
on, has
D
by, has
推荐题目
You should ________ our computer teacher ________ help.
#61456
A
ask, for
B
want, for
C
tell , about
D
let, to
— Did Jerry______any magic tricks yesterday?—No, but he______  a song.
#58351
A
performed; sang
B
performed; sing
C
perform; sang
D
perform; sing