By the time you get back, I______all the work.

admin2017-05-22  5

问题 By the time you get back, I______all the work.

选项 A、would finish
B、will have finished
C、has finished
D、had finished

答案B

解析 by引导的时间短语通常和完成时态连用。“by the time you get back”表示将来的时间,因此主句应用将来完成时态,故选B。
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