问题
选择题
Charles did what he could _____ the servant, although he himself was in danger.
A．rescue
B．rescued
C．to rescue
D．rescuing
答案
答案：C
此题中could后省略了do,而不定式to rescue是目的状语。
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Charles did what he could _____ the servant, although he himself was in danger.
A．rescue
B．rescued
C．to rescue
D．rescuing
答案：C
此题中could后省略了do,而不定式to rescue是目的状语。