Question

My sister is only one year old..My mother must       her at home.

A．look at

B．look for

C．look after

D．look like

Answer 1

C

试题分析：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。