look
[短语搭配]
look after照顾 look at看 look for寻找
look down on（up on）看不起、轻视
look forward to盼望 look into调查、研究
look out当心、注意 look over查看、检查
look through浏览
look up（在词典或参考书中）查阅（词或资料）
[考题回放]
The doctor_____the crying baby， but he couldn‘t find out what was wrong with it。
A.looked over B.looked after
C.looked for D.looked out
