My mother isn’t in, I must ___ my sister at home.A. look Wap版

试题详情及答案解析: My mother isn’t in, I must ___ my sister at home.
A. look at B. look after C. look u; 答案：B; 试题分析：句意：我妈妈不在家，我必须照看我妹妹。A. look at看； B. look after照顾； C. look up在（字典书等中）查找。结合句意，故选B
考点：考查动词短语辨析。