问题补充：
Li Lei often takes care of the old woman after school.
A. looks like
B. looks for
C. looks up
D. looks after
答案：
A. looks like
B. looks for
C. looks up
(答案→)D. looks after
解析：takes care of照顾，A.looks like看起来像 B.looks for 寻找，强调过程 C.looks up查询 D.looks after照顾；句意：李雷常常在放学后照顾这个老人。故选D
