You can keep the book until you ( ) A,have finished reading;B,finish to read;C,will finish reading

You can keep the book until you ( ) A,have finished reading;B,finish to read;C,will finish reading

题目
You can keep the book until you ( ) A,have finished reading;B,finish to read;C,will finish reading
D have finished to read求详解,
答案
finish doing sth 所以排除B和D.然后因为前面是一般现在是,所以后面不能用将来时,所以用A
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