Question

—You must           yourself and keep           .   
—Thank you.
A. look for; healthy         B. look after; healthy  C. look at; health                   

Answer 1

B

本题的含义是你必须要照顾你自己，保持健康，look after表示照顾的意思，keep后跟形容词作表语，healthy是形容词，故本题选B。