you'd better close the window and () the cold air ()A.keep;on B.k_英语解答

you'd better close the window and () the cold air ()
A.keep;on B.keep;out C.keep;up Dkeep;back

人气：173 ℃　时间：2020-02-06 14:24:16

解答

选B KEEP OUT ,把.阻挡在外,翻译是：你最好关上窗户,以免冷空气进入.