问题
选择题
Charles did what he could _____ the drowning man, although he himself was in danger.
[ ]
A. rescue
B.rescued
C. to rescue
D. rescuing
答案
答案：C
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Charles did what he could _____ the drowning man, although he himself was in danger.
[ ]
A. rescue
B.rescued
C. to rescue
D. rescuing
答案：C