Making Requests and Suggestions
课文5 请求与建议 (Making Requests and Suggestions) 11 第三单元 交寄国内信函 (Mailing Domestic Letters) 15
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... Invitations and Appointments 邀请与约会 Requests and Suggestions 请求与建议 Asking for and Giving Permission 征求与表示许可 ...
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