When you don’t know a word, you can    Wap版

试题详情及答案解析

When you don’t know a word, you can in dictionary.

A．look it up	B．look up it
C．look it over	D．look it down

答案：A

试题分析：句意：当你不认识那个单词时，你可以在字典里查找。Look up查字典，it是代词的宾格只能放中间，look over 检查，look down小瞧，结合语境可知选A。
考点：考查动词短语用法