By the time I graduate from university, I(be)______a student for 15 years.willha

游客2023-09-18 23

问题 By the time I graduate from university, I(be)______a student for 15 years.

选项

答案 willhavebeen

解析 by the time接将来时间或一般现在时的句子，表示将来预计完成的动作，主句要用将来完成时。

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