Whenyoucomeacrossnewwordsinreading,itisnotagoodideato

问题详情：

When you come across new words in reading, it is not a good idea to _________ in a dictionary at once.

A. make up them      B. look up them  

C. make them up     D. look them up

【回答】

D  

知识点：动词和动词短语

题型：选择题