题目内容
More than a dozen students in that school ______ abroad to study medicine last year.
A. sent B. were sent C. had sent D. had been sent
【答案】
B
【详解】去年,那所学校有十多个学生被送到国外去学习医学。这里考的是时态和语态。last year说明应当使用过去时,而学生是被送到国外的,应当是使用被动语态,所以选B

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