问题描述：
zhoulan will have been studying english for six years by the time she ( ) the exam A.took
B.WILL take c.takes d.is to take
2.the theory the young man stuck ( )quite right,
Aproved B.to proved to be C.has been proved D.to proved being
B.WILL take c.takes d.is to take
2.the theory the young man stuck ( )quite right,
Aproved B.to proved to be C.has been proved D.to proved being
问题解答：
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