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根据句意及首字母填空afterthesportsmeetingtherewasr-everywhereontheplayground,andtheheadmasterwasveryangrywecan'tuse-(缩略词)inaformalletter(abbreviation要加s吗?)didyoumake-(记号)onthewall?(mark)

题目详情
根据句意及首字母填空
after the sports meeting there was r- everywhere on the playground,and the headmaster was very angry
we can't use -(缩略词)in a formal letter(abbreviation要加s吗?)
did you make -(记号)on the wall?(mark )
▼优质解答
答案和解析
rubbish
abbreviations
marks