企源知识库

To telephone him, you will have to _____ his number in your phone book.
A、look to
B、look up
C、look through
D、look at
【正确答案】：B
【题目解析】：本题考查look与介词的搭配。look to意为“照看，求助”，look up意为“查找”,look through意为“识破"，look at意为“看”。在电话本里查找电话号码应该用look up。答案为B。