问题补充:
—What’s wrong with you, Ann?
—My mother is ill. I have to her at home.
A. look at
B. look for
C. look after
D. look around
答案:
A. look at
B. look for
(答案→)C. look after
D. look around
解析:根据题干,本句的意思是“我妈妈病了,我必须在家照顾她。”look at“看”,look for“寻找”,look after“照顾,照料”,look around“环顾”。所以本题选C。