Everyone must ( ) the classroom ( ). A.keep; to cEveryone must ( ) the classroom ( ).A.keep; to clean B.keeps; to clean C.keeps; clean D.keep; clean

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Everyonemust()theclassroom().A.keep;tocEveryonemust()theclassroom().A.keep;tocleanB.keeps;tocleanC.k

Everyone must ( ) the classroom ( ). A.keep; to cEveryone must ( ) the classroom ( ).A.keep; to clean B.keeps; to clean C.keeps; clean D.keep; clean
Everyone must ( ) the classroom ( ). A.keep; to c
Everyone must ( ) the classroom ( ).
A.keep; to clean B.keeps; to clean C.keeps; clean D.keep; clean

Everyone must ( ) the classroom ( ). A.keep; to cEveryone must ( ) the classroom ( ).A.keep; to clean B.keeps; to clean C.keeps; clean D.keep; clean
应该是D~~~请采纳谢谢

must+v(动词原形) keep the classrom clean
正确答案 D

D,,,,,,,,,,,,,,,,