Question

【题目】The nurse looks tired she stayed up late to look after his patients yesterday.

A.becauseB.ifC.unlessD.though

Answer 1

【答案】A

【解析】

句意：护士看起来又累又困，因为昨天他熬夜照顾他的病人。

考查连词。because因为；if如果；unless除非；though虽然。根据句意：护士看起来又累又困，因为昨天他熬夜照顾他的病人。结合选项，选项A “因为”符合题意。故选A。