问题
选择题
Some new teaching buildings ____ in Shunyi last year.
A．build
B．are built
C．built
D．were built
答案
答案：D
题目分析：句意：去年在顺义一些新的教学楼被建成了。 根据时间状语last year. 可知此处用一般过去时，故排除AB两项。主语 buildings 与谓语之间表示被动关系，故用were built。故选D。