英语翻译1、你那时在做什么?2、昨天下午四点,他们在开会.3、前天这时候我妹妹在游泳.4、当飞碟着陆时,我在散步.5、当

What were you doing at that time?
They were having a meeting at 4p.m. yesterday afternoon.
My little sister was swimming this time the day before yesterday.
When the UFO landed,I was taking a walk.
When he left,it was raining outside.
When my little brother was watching TV,I as writing.
Were he sleeping at that time?