1、She is speaking.(她正在发言.)
2、The children are singing.(孩子们正在唱歌.)
3、I am listening to the radio.(我正在听无线电.)
4、My brother is writing.(我兄弟正在写字.)
5、We are preparing our lesson.(我们正在预备作业.)
6、Our teachers are having a meeting.(我们的教师正在开会.)
7、The dog is running very fast.(狗正在十分快地跑着.)
8、The students are swimming across the river.(学生们正在游泳度过这条河.)
9、Your sister is looking for her pen.(你妹妹正在找她的钢笔.)
10、He is telling us an interesting story.(他正在给我们讲一个风趣的故事.)
11、We are having a holiday today.(当天我们正在度假.)
12、What are you doing these days?(这几天你正在做什么?)
13、You are speaking so quickly.(你讲得太快了.)
14、Jane’s studying in our school this term.(这学期珍妮在我们学堂学习.)
15、She is preparing her lessons now.(她如今正在预习作业.)