问题补充:
My sister is only one year old..My mother musther at home.
A. look at
B. look for
C. look after
D. look like
答案:
A. look at
B. look for
(答案→)C. look after
D. look like
解析:句意:我妹妹只有一岁。我妈妈必须在家照顾她。照顾、照料某人用“look after”;look at意为“看”;look for意为“寻找”;look like意为“看起来像”;故选C。