the milk smells as if it is sour.为什么不是 as if it was sour啊

the milk smells as if it is sour.为什么不是 as if it was sour啊 The milk smells ___ sour.A.as if it is B.as if it was The milk smells as if it _____ sour.A.is B.was C.were 英语虚拟语气这奶闻起来好像酸掉了：The milk smells as if it is sour.as if 因为比较 as if it were中为什么不是as if it was? The milk smells sour. 改为问句. There is _____ milk in the glass.It is ______ sour. Lemons are sour,so if life gives you something sour,make it It seemed as if the world was at an end. It seemed as if the world was at an end It seemed as if the world was at an end! as if it 后应是were还是was?