问题补充:
–Do you want to go hiking with me this weekend?
--I’d love to. But I have to my little brother at home.
A. babysit
B. look over
C. look at
D. take care
答案:
(答案→)A. babysit
B. look over
C. look at
D. take care
解析:不能去玩应该是照顾小弟弟,babysit表示此意,故选A,look over检查,look at看,take care of表示照顾,故不能选BCD。