His plan _____ to be a perfect one. 
#83276
A
proved
B
was proved
C
is proving
D
proving
推荐题目
One of the provinces in the north has          to form a new state. 
#68122
A
broken down
B
broken up
C
broken out
D
broken away
As the crowd rushed towards the gate, several people got______.
#70636
A
knocking down
B
knocked off
C
knocking on
D
knocked over