David got well-prepared for the university interview, for he couldn’t risk the good opportunity ________. 
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A
to lose
B
losing
C
to be lost
D
being lost
推荐题目
How happy we are! The holiday we have been looking forward _______ at last.
#97451
A
to has come
B
to have come
C
to having come
D
has come
By the time I saw the job ________ in the newspaper,it was already too late.
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A
advertised
B
to be advertised
C
advertise 
D
to advertise
Five people were reported ________ in the accident.
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A
to be killed  
B
to kill
C
killed    
D
to have been killed