I regret you that we’ll have to stop the sports meeting because of the bad weather.A. tel

问题补充：

I regret you that we’ll have to stop the sports meeting because of the bad weather.

A. telling

B. to tell

C. having told

D. to have told

答案：

A. telling

(答案→)B. to tell

C. having told

D. to have told

解析：考查动词用法。regret to do遗憾去做某事，regret doing对做过的事情感到后悔。根据句意：很遗憾的告诉你，因为天气不好，我们不得不停开运动会。选B。