1.What are you doing? 你在干什么I am making the bed . 我在整理床铺2.What is th girl doing这个女孩在干什么She is drawing a picture.她正在花花3.What are they doing他们在干什么They're writing 他们在写字4did you mend your bike?你把你的自行车拿去修了吗5is she reading a book?她正在读书吗6.Look! LiPing and WuLan are playing basketball now.李平和乌兰正在打篮球