Question

We have to the questions before answering them.

A. look after B. look up

C. look through D. look at

Answer 1

C

【解析】

试题分析：句意：在回答这些问题之前，我们必须仔细审题。分析选项：look after照顾；look up查阅；look through仔细审题；look at看。联系题意，question一定是仔细审题。故选C

考点：考查动词短语的辨析。