1.She is writing a letter upstairs. 她正在楼上写信。
2.Who are you waiting for? 你在等谁?
3.It is raining hard. 雨下得很大。
4.How are getting on with your study? 学习进展得怎样?
5.I hear Mr. Smith is writing a novel. 我听说史密斯先生在写一本小说。
6.John's asking silly questions like a stupid. 约翰像个笨伯一样问些愚蠢的问题。
7.You are always throwing things about. Look, what a mess in your room. 你老是乱扔东西。看,你房间多乱啊!
8.If he is still sleeping, don’t wake him up. 如果他(那时)还在睡觉,不要叫醒他。
9.Don’t disturb her when she is doing her homework.她做作业时不要打扰她。
10.Where are you going tomorrow? 明天你到哪里去?