问题补充：
He is known his being on time, so we don’t know the reason his being late this time.
A. for; of
B. as; for
C. for; for
D. of; of
答案：
A. for; of
(答案→)B. as; for
C. for; for
D. of; of
解析：考察介词,be known as一……出名，for为了，后面接名词性短语，表示原因。句意：他一直以守时出名，因此我们不知道他这次迟到的原因。故选B。
如果觉得《He is known his being on time so we don’t know the reason his being late this time.A. f》对你有帮助，请点赞、收藏，并留下你的观点哦！
