问题
选择题
By the time she ________ tomorrow, the work ________.
A.arrives ; will be finished
B.arrives ; will have been finished
C.will arrive ; will have been finished
D.arrives ; will have finished
答案
答案:B
考查时态。By+将来的时间,主句用将来完成时;by+过去的时间,主句用过去完成时。By引导的从句用一般现在时代替将来时。work和finish主句是动宾关系,故用被动语态;再根据tomorrow可知,主句用将来完成时;综合用将来完成时的被动语态。句意“到明天她到达的时候,工作已经被做完了。”故选B。