急if a trian entered this tunnle ,it would draw in fresh air

翻译“Open the window to let in fresh air if it ispossible” would you please keep the window___?let the fresh air in.A o Is it "breathe the fresh air" or "breathe in the fresh air", 英语翻译as shown at drawing in behind it a charge of fresh air t This fucl gas,if ______ some air ,would burn rapidly.A.invol I wonder if there is fresh air. The air in Conghua is _____ fresh _____ it is perfect _____ 句子分析：Let the fresh air in. 划分句子成分(let)(the fresh air )(in). in the fresh air 连在一起怎么造句 翻译get out in the fresh air the air in mountain areas is _ that in big cities.A.as fresh