题目内容
My brother and some of his classmates ______ as volunteers to help the elderly in the old-age home during the winter holiday to come.
A. worked B. are working
C. will be working D. have been working
C
【解析】
试题分析:考查句子时态的使用。be+doing现在进行时;will+be+doing将来进行时;have been doing 是现在完成进行时。句意:我的哥哥和他的一些同学在这个即将到来的寒假期间,将会以一名志愿者的身份去帮助老人院的老人。故选C。
考点:考查句子时态的使用
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