______in a science competition, the three students were awarded scholarships totaling $ 21, 000.
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A
To be judged the best
B
Judged the best
C
Having judged the best 
D
Judging the best
推荐题目
_________ after a long walk, Kate called and said she couldn't come to the party. 
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A
Worn out
B
Having worn out
C
To be worn out
D
To wear out
What great trouble we had ____ where his house was.
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A
in finding
B
to find
C
find
D
found
Every minute is made full use of _________ our lessons before the exam.
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A
studying
B
studied
C
to study
D
being studied
The music, ____________ pleasant, was soon well received when it was taken to the stage.
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A
sounded
B
being sounded
C
sounding
D
having sounded