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
B
解析:
由句中last year 可判断,此句应为一般过去时,排除C、D项。由send sb .to dl sth. 变为被动语态,便成了sb.is sent to do sth.故B正确。
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