–A boy was killed by the tiger in the zoo.–He was believed          into the cage while feeding the tiger without permission.
#102548
A
to fall
B
to be falling
C
to have fallen
D
having fallen
推荐题目
He asked me how much ________ on the mountain bike.
#101387
A
did I pay
B
I had spent
C
did I spend
D
I had cost
--- It’s said that another new car factory _______ now. --- Yeah.  It ________ one and a half years.    
#99863
A
is building; will take
B
is built; will take
C
is being built; will take
D
is being built; takes