–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
I will visit you if Father ______ me.
#101301
A
let
B
lets
C
is letting
D
will let
 An emergency meeting will be held tomorrow, at which the bill ________ to pass. 
#100292
A
is expected
B
will be expected
C
expects
D
will expect
Great Changes ________in Shanghai since 2000.
#100349
A
have been taken place
B
took place
C
had taken place
D
have taken place