271. Wait for me for a few more minutes. I am _____ to a letter from one of my former classmates at college and will finish writing very soon.
A.replying | B.answering to | C.replying to | D.answering for |
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271. Wait for me for a few more minutes. I am _____ to a letter from one of my former classmates at college and will finish writing very soon.
A.replying | B.answering to | C.replying to | D.answering for |
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