I regret that I am unable to help you.A. sayingB. sayC. to sayD. said

发布时间：2020-08-16 18:09:47

I regret      that I am unable to help you.             
A. saying
B. say
C. to say
D. said

网友回答

A. saying
B. say
(答案→)C. to say
D. said
解析：习语搭配。regret to do sth “遗憾地去做某事” 很遗憾的告诉你我不能帮你。 选C
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