MrsBlack had such a wonderful time she visited her friend in London last yearA. whenB. th

问题补充：

Mrs．Black had such a wonderful time she visited her friend in London last year

A. when

B. that

C. which

D. as

答案：

(答案→)A. when

B. that

C. which

D. as

解析：句意：布莱克太太去年看望她的朋友的时候在伦敦度过了一段非常美好的时光。when当…时候，引导时间状语从句，故选A