By the time our teacher arrives tomorrow,all the work ,with which he will be satisfied.
A. is acplished
B. will have been acplished
C. will be acplished
D. has been acpished
网友回答
A. is acplished
(答案→)B. will have been acplished
C. will be acplished
D. has been acpished
解析：by the time + 将来时间，主句用将来完成时，故选B。句意：到我们老师明天到达为止，所有的工作都将会被完成，他会很满意的。