◎ 题干
—Don't forget to post the letter, will you?    
— I __________ it.    
[     ]
A. would post      
B. had already posted    
C. have already posted    
D. was posting
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—Don't forget to post the letter, will you?— I __________ it.[ ]A. would postB. had already postedC. have already postedD. was posting…”主要考查了你对  【现在完成时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。