We are ______ our honour to help those who need our help.

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问题 We are ______ our honour to help those who need our help.

选项 A、by
B、in
C、with
D、on

答案D

解析 be on one’s honour to do sth．的意思是“在道义上有责任做某事”。其他三个选项均不能替代on进入这个格式。

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专业英语四级

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