We regret( )you that our research department will no longer provide services.
We regret( )you that our research department will no longer provide services.
A、informed
B、inform
C、to inform
D、informing
【正确答案】:C
【题目解析】:句意:我们很遗憾地通知您,我们的研究部门将不再提供服务。regret to say/inform/tell很遗憾地通知
Top