In ancient times, dogs were mainly _____ helping people hunt (打猎). Now they ar

2020-12-05 00:21:36 43416阅读 评论

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In ancient times, dogs were mainly _____ helping people hunt (打猎). Now they are more useful-they can
help the blinds, search for the bad eggs,...

[     ]

A. bad for
B. used to
C. used for
D. good at


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