摘要：I delayed your letter because I had been away for a week. A.answer B.answering C.writing D.to post
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I delayed _______ your letter because I had been away for a week.
|
A．answer |
B．answering |
C．writing |
D．to post |
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I delayed _______ your letter because I had been away for a week.
| A．answer | B．answering | C．writing | D．to post |