题目

用恰当的词语填空，完成对话，每空一词。 L：Your sister’s gone to Shanghai,1she? M：Yes． L：How long has she been there? M：She's been there since 2010． L：Oh．It’s about a year already! Have you2from her? M：Yes, of course．Very often．She wrote to me about a week ago and said she was quite busy there． L：I see．Are you3to write to her soon? M：Soon? Look! I am writing a letter to her now． L：Really? Will you please give my best4to her? M：Of course I5 ．Thank you．下面两个比不能组成比例的是（　　） A、10：12=35：42B、20：10=60：20C、4：3=60：45D、18：6=15：3