【题目】I have______all my papers but I still can't find my notes,
A. looked through B. looked for
C. looked after D. looked out
在线课程【答案】A
【解析】考查动词词组。look through 意为“浏览”。根据其宾语all my papers可判断出把全部文件都浏览了一遍也没有找到记的笔记。look for 意为“寻找”；look after 意为“照看”；look out 意为“小心”。故选A。