Question

【题目】The manager waited patiently ________ the customer signed the paper.

A.untilB.afterC.beforeD.unless

Answer 1

【答案】A

【解析】

句意：经理耐心等待直到顾客在文件上签字。

考查连词辨析，until直到；after之后；before之前；unless除非，结合前后句子逻辑应该是耐心地等待直到顾客签字，故选A。