1.help帮助,  kiss亲吻,  talk说话,交谈,  listen听,  pull拉,拽,  push推,  clean打扫,  at this moment现在,此刻,  pastry糕点,点心,  husband丈夫,  leave for work去工作,  city城市,  ride the bus乘坐公交车,  news新闻,  documentary纪录片,  talk show脱口秀. 

2.Are they ………ing? 他们正在……..吗?

   Yes, they are./No, they aren’t. 是的./不是.

   Are they talking?  Yes, they are.

   Are they pushing?  No, they aren’t.

   Are they cleaning?  Yes, they are.

   Are they helping?  No, they aren’t.

   What are they doing?

   They are ………..ing.

   What are they doing?

   They are kissing.

   They are listening.

   They are talking.

   They are pulling.

   They are cleaning.

   They are helping.

   They are pushing

3.At this moment, mom is cooking the meal.

   此刻，妈妈正在做饭。

   We often buy the pastry from this bakery. 

   我们经常从这家面包店买糕点。

   Her husband is helping her with the housework now.

   她丈夫现在正在帮她做家务。

   I usually leave for work at seven o’clock.

   我通常七点钟去上班。

   I am taking some pictures of the city.

   我正在拍一些城市的照片。

   I ride the bus to work every day.

   我每天乘公共汽车上班。