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一、用is，are，it's，they're填空。1．—Howmucharethesegreenbags?—$20.2．—Howmucharetheseredshoes?—$50.3．—Howmuchisthistapepla...
Unit7Howmucharethesesocks?SectionB（1a-1e）写出以下数字写出以下数字00112233445566778899zerozerooneonetwotwothreethreefourfourfivef...
