— Both David and his sister left school

问题选择题

— Both David and his sister left school when they were only 11.

— No wonder of them is poor –educated.

A．either

B．both

C．neither

D．none

答案

答案：A

题目分析：句意：—大卫和他姐姐在他们仅仅11岁的时候就离开了学校。—不用说他俩有一个受教育程度很差。A. either两者中的一个； B. both两者都； C. neither两者都不； D. none三者或三者以上都不，根据题干分析此处指“两者中的一个”，应用either，故选A。