( )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
问题描述：
( )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
答
c.cleaning clean
答
C
求采纳
答
选择答案是c,有个句型是keep sb doing sth,