Alice．I'mafraidIcan'tattendyourbirthdaypartyYouagreedtocome,Jane．

发布时间：2020-08-06 12:03:08

Alice．I'm afraid I can't attend your birthday partyYou agreed to e,Jane．You can't ________ now!A.give inB.get downC.back outD.cut off

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C解析考查短语。back out食言，打退堂鼓。
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