We must have the work _____ before next Friday

问题描述:

We must have the work _____ before next Friday
A.finish
B.finished
C.finishing
D.to be finished

选B
动词过去分词表示被动
have sth done是有这个结构的
这个作业是被做
所以选B
呵呵,希望能帮到你