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】

试题分析：句意为：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。