题目内容：

My mother is at home .She _ my grandpa.（单选题）
My mother is at home .She _ my grandpa.
A. look after B. looks after C. look at D. looks at

优质解答

选B looks after 照顾
A.中look少加了S
C.look at 和 D.looks at 都表示“看着”,词义错误.