By the time the course schedule is completed, we______the basic subjects of French.

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问题 By the time the course schedule is completed, we______the basic subjects of French.

选项 A、would have learnt
B、have learnt
C、had learnt
D、will have learnt

答案D

解析 由时间状语by the time可知,本句应用完成时,由句意分析是将来发生的事情,所以用将来完成时,表示在将来某一时刻以前已经完成的动作。
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