Our teacher often keeps us ______ classroom every day, so we must keep our classroom_______.
A.clean, clean | B.cleaning, cleaning |
C.cleaning, clean | D.clean, cleaning |
Our teacher often keeps us ______ classroom every day, so we must keep our classroom_______.
A.clean, clean | B.cleaning, cleaning |
C.cleaning, clean | D.clean, cleaning |
试题篮
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