问题
选择题
My mother isn't in. I must _ my sister at home. [ ]
A. look after
B. look at
C. look up
D. look out
答案
答案：A
搜题请搜索小程序“爱下问搜题”
My mother isn't in. I must _ my sister at home. [ ]
A. look after
B. look at
C. look up
D. look out
答案：A