Bill is healthy because he his health very well.
A. looks at
B. looks after
C. looks for
D. looks like
网友回答
A. looks at
(答案→)B. looks after
C. looks for
D. looks like
解析：根据句意比尔是健康的，那么他对身体肯定很照顾，look after表示此意，故选B。
其它意思分别为look at 看一看， look for寻找， look like 看起来像的意思，
故都不能选。