But for his help we wouldn’t have succeeded. So we his timely aid.A. distributedB. contr

问题补充：

But for his help, we wouldn’t have succeeded. So we his timely aid.

A. distributed

B. contributed

C. acknowledged

D. admitted

答案：

A. distributed

B. contributed

(答案→)C. acknowledged

D. admitted

解析：动词辨析。A分配，分发；B捐，贡献，投稿；C承认；告知收到，致谢；D承认；句意：要不是他的帮助，我们就不会成功。所以我们很感谢他及时的帮助。