On our way home, our bikes______, so we had to walk home.
#55249
A
is broken
B
was broke
C
broke down
D
breaks down
推荐题目
 You must be tired now. Why not ________ to have a rest?
#56825
A
to stopping
B
to stop
C
stop
D
stopping
14. Don’t try to do everything at once. Take it a bit __________.
#61431
A
at times
B
at that time
C
at all times
D
at a time
Let’s ________ the map. 
#57172
A
look
B
look at
C
look to
D
see