I will have begun to do the work 3 o’clock this afternoon.A. byB. atC. afterD. before

发布时间:2020-08-14 23:12:06

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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@@(答案→)A. [email protected]@B. [email protected]@C. [email protected]@D. before
解析: 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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