问题
选择题
I heard that we must have _________ teaching building __________ .
A．another , to be built
B．the other , to build
C．a third , built
D．the other , built
答案
答案：C
题目分析：句意：我听说我们必须再建一栋教学楼。Have sth done请人做某事，是一固定句型。所以选C。
