–We should do what we can the endangered animals.`Yes, it’s duty them.A. save, to prot

发布时间：2020-08-21 11:13:03

–We should do what we can      the endangered animals.`
--Yes, it’s duty     them.
A. save, to protect
B. save, protect
C. to save, protect
D. to save, to protect

网友回答

A. save, to protect
B. save, protect
C. to save, protect
(答案→)D. to save, to protect
解析：第一空为动词不定式作目的状语，而It is one‘s duty to do sth，表示做某件事色某人的责任。故选D
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