His plan _____ to be a perfect one. 
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A
proved
B
was proved
C
is proving
D
proving
推荐题目
There will be a large number of people attending the lecture______today’s paper.
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A
basing on    
B
according to
C
accounting for    
D
finding out
Everybody, men and women, old and young, _____ sports and games. 
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A
enjoy
B
were enjoying
C
enjoys
D
is enjoyed