问题

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

正确答案是：

同类题型

The palace caught fire three times in the last century, and little of the original building _____ now.

We have already placed an order ____ that company _____ the machines

Hello. My name is Lucy. Nice to meet you.— _________________.

What made you so angry— .

下面划线的成语运用恰当的一项是（）