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
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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