—— What’s wrong with Tom? —— Bad luck! Tom     his bike and hurt his leg.
#55562
A
fell
B
fell off
C
fell down
D
fell behind
推荐题目
Lao Wang ___________ Beijing Opera every morning . Listen, he ___________ in  the garden.
#53231
A
sing; sing
B
sings; sings
C
is singing; sings
D
sings; is singing
If we ________ careful, fire can be dangerous.
#61594
A
don’t be
B
are
C
won’t be
D
aren’t
Sam said sorry to his mother , so she _________.
#59260
A
forgave his mistakes
B
forgave him of his mistakes
C
forgave him about his mistakes
D
forgave him for his mistakes
You should try your best ____ your English. 
#57127
A
to improve
B
improving
C
improves
D
improve