最佳答案:They are picking up trash.
最佳答案:For whom are they having a birthday party?
最佳答案:They were discusing with each other when the phone rang.
最佳答案:They are doing a survey about the most popular TV programms
最佳答案:They are looking for hotels to live in.
最佳答案:Is it a English letter that they are writing?
最佳答案:1 The are launching a campaign for the living condition of the workers.2 That bo
最佳答案:Sunday daming family get ready to go out for a picnic,they are doing their busin
最佳答案:I don’t agree with him that they are discussing the best way to English,the litt
最佳答案:1他对顾客的态度不好he is rude to the customers2他们正在和同学们争论这个问题的解决方法they are arguing with t
最佳答案:1.they are considering about buying the building before raising2.I'm looking for
最佳答案:That's the reason why we didn't come here.You'd better not drive your car at a s
最佳答案:1 They are talking face to face2 According to what John said,there will be a mee
最佳答案:12.第二单元13.I'm sorry to hear that your sister is ill.14.i hope you will come well
最佳答案:when they are in the park,it suddenly rain hardly.look at the black cloud in the
最佳答案:1.They are talking with each other face to face.2.Accoring to John,there wiil be
最佳答案:1.每天早上他吃鸡蛋.面包和蔬菜.He eats eggs,bread and vegetable every morning.2.现在他们正在看一张他们教室的