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
解析:
解析:
students作主语,与send之间为被动关系;再根据时间状语last year可判断出应用一般过去时的被动语态。
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