More than a dozen studemts in that school ------ abroad to study mednicine last year
问题描述:
More than a dozen studemts in that school ------ abroad to study mednicine last year
A、sent B、were sent C、had sent D、had been sent
答
B last year 说明使用过去时态,而学生是被送去国外学习的,所以用被动语态