( )1.Our teacher often keeps us ________ classroom every day,so we must keep our classroom选择( )1.Our teacher often keeps us ________ classroom every day,so we must keep our classroom .A.clean,clean B.cleaning,cleaning C.cleaning,clean
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( )1.Our teacher often keeps us ________ classroom every day,so we must keep our classroom选择( )1.Our teacher often keeps us ________ classroom every day,so we must keep our classroom .A.clean,clean B.cleaning,cleaning C.cleaning,clean
( )1.Our teacher often keeps us ________ classroom every day,so we must keep our classroom选择
( )1.Our teacher often keeps us ________ classroom every day,so we must keep our classroom .A.clean,clean B.cleaning,cleaning C.cleaning,clean
( )1.Our teacher often keeps us ________ classroom every day,so we must keep our classroom选择( )1.Our teacher often keeps us ________ classroom every day,so we must keep our classroom .A.clean,clean B.cleaning,cleaning C.cleaning,clean
选择答案是c,有个句型是keep sb doing sth,
C
求采纳
c.cleaning clean