Question

【题目】We have to __________ the questions before answering them.

A. look after B. look up C. look through D. look at

Answer 1

【答案】C

【解析】考查动词短语辨析。句意：在回答问题之前我们必须浏览问题。look after照顾、照看；look up（在词典中）查找；look through浏览；look at看（某物）。根据语境可知应选C。