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