问题
选择题
Mathilde lost the necklace ______ the evening when she and her husband took part in the palace ball.
A.until
B.at
C.on
D.in
答案
答案:C
介词辨析。Until直到……才; at在一点;on在某个平面,在具体某一天围。句意:马蒂尔德在他和她的丈夫参加宫廷舞会的那天晚上丢失了项链。结合语境可知是在具体某天的晚上,故用on。选C