在一密闭容器中进行反应:2SO2(气)+O2(气)2SO3(固)。已知反应过程中某一时刻SO2、O2、SO3的浓度分别为0.2mol/L、0.1mol/L、0.2 mol/L。当反应达平衡时,可能存在的数据是
I can’t leave. She told me that I ______ stay here until she comes back.
—— Do you mind my opening the window? It’s a bit hot in here. —— ______ , as a matter of fact
It’s high time you had your hair cut ; it’s getting _______ .
My friend showed me round the town, ______ was very kind of him.
They use computers to keep the traffic _______ smoothly.