问题补充:
They are living with their parents for the moment because their own house .
A. is being rebuilt
B. has been rebuilt
C. is rebuilt
D. has rebuilt
答案:
(答案→)A. is being rebuilt
B. has been rebuilt
C. is rebuilt
D. has rebuilt
解析:考查时态,由前面的句子They are living with their parents for the moment可以知道是进行时,因为名词own house和动词rebuild是动宾关系,所以用被动式,所以选A