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unit2ithinkthatmooncakesaredelicious！sectionbg
C． for D． with 18． B． Then C． However D． Instead 19． B． farmer C． hand D． policeman 20． B． cows C． pigs D． turkeys 21． B． protect C． catch D． call 22． B． noticed C． fot D． found 23． B． Classroom C．