he study english for six years by the time he takes his exam
he study english for six years by the time he takes his examination
5.He _______ (study) English for six years by the time he takes his examination.这个怎么填,为什么
5.He _______ (study) English for six years by the time he takes his examination.这个怎么填,为什么
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lengxia1230 幼苗
共回答了2764个问题 举报
will have studied 是将来完成时，因为后面的句子说到他将来参加考试时，takes是一般现在时表示一般将来时，那么截止到将来某一时间已经完成的动作，要用将来完成时来表达。
1年前
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