问题

____to caring for an Ebola(埃博拉) patient, the nurse found herself also infected, feeling hopeless.
A:Devoting
B:Devoted
C:Having devoted
D:To devote
B:Devoted
C:Having devoted
D:To devote
正确答案是:
同类题型
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y thefirst prize, but he was so careless as to make a foolish mistake.
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