摘要：I will have begun to do the work 3 o’clock this afternoon. A. by B. at C. after D. before 选A.句中will have begun提供了一个关键的解题线索.表明应该表示“将来截止时间 的介词.在本题中只有by有这种用法.
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9. I will have begun to do the work ______ 3 o’clock this afternoon.
A. by B. at C. after D. before
查看习题详情和答案>>I will have begun to do the work ______ 3 o’clock this afternoon.
A. by B. at C. after D. before
查看习题详情和答案>>I will have begun to do the work ______ 3 o’clock this afternoon.
A. by B. at C. after D. before
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