MrGreenaskedhisstudentsto     thenewwordsinthedictionar...

问题详情：

Mr Green asked his students to      the new words in the dictionary.

A. look at                                        B. look up

C. look for                                       D. look after

【回答】

B   look up查寻。 

知识点：动词和动词短语

题型：选择题