His plan _____ to be a perfect one. 
#83276
A
proved
B
was proved
C
is proving
D
proving
推荐题目
How did all these _________?
#69492
A
came out
B
come up
C
come across
D
come about
All passengers ___ to show their tickets next time.
#81088
A
require
B
will require
C
are required
D
are to require