明代徐达督修，戚继光镇守，也是明长城上构筑最复杂、楼台最密集的是哪一段长城
参考答案：金山岭长城。
—How come you still work here? I hear your company has bought a new office building.
—But the newly-bought building_______ .
A．has decorated
B．is decorated
C．is being decorated
D．will be decorated
