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最佳答案:Dear Jack.I am glad to receive your letter and know you want to have some pen-fr
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最佳答案:Dear madam,I'm glad to tell you, I have already returned home safely. Thank you
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最佳答案:Mick, Thanks for teaching me Chinese for a long time. My Chinese is very fluent
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最佳答案:Dear MickHappy Thanks Giving Day!I am writing to express my thanks to you. Thank