军队院校生长军(警)官招生考试

单选题By the time she leaves the stage next month, she _____ for sixty years.A will have performedB has performedC will be performingD will perform

题目
单选题
By the time she leaves the stage next month, she _____ for sixty years.
A

will have performed

B

has performed

C

will be performing

D

will perform

参考答案和解析
正确答案: A
解析:
句意:到她下个月离开舞台之前,她已经表演六十年了。by加一段时间,其后常用完成时态,由“leaves”可判断应用现在完成时,A项为一般现在将来完成时,符合句意,故选A项。
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