你把正确答案打了两遍.我讲一遍就好
By暗示了到那时为止,也就是完成时态,而工作是被完成了,所以是将来完成时的被动语态
The job should ______ by the time you arrive.
The job should ______ by the time you arrive.
A、 have finish B、 have been finished C、 have been finished D、finish
A、 have finish B、 have been finished C、 have been finished D、finish
英语人气:538 ℃时间:2019-12-01 11:15:05
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