There are a piano,two violins and some guitars.错在哪里?

two pencils in my pencil-case a piano in themusic room There is和there are There are a piano,two violins and some guitars.错在哪里? There are only one piano in you family 改错 求教英语句改句：I'm going to {fiy a kite} in the park.{括号部分提问}No smoking here.{改句意相同}用单词的适当形式填空： 1.Look, the children_______{fly} kites. 2.There are ________{tw 连词成句：1、is / there / a / piano / in / sitting-room / their(.)2、are / any / storybooks / his / there / in / school bag )3、classrooms / how / the / many / in / are / there / building(?)英汉互译：1、in the term2、the first day 用is there a piano in sitting-room their there is a piano in the classroom（改为一般疑问句并作否定回答there are some students in the librarythere is a piano in the classroom（改为一般疑问句并作否定回答〕there are some students in the library〔改为否定句〕 补全单词 Look!They are having a piano l_____ Ben and Licy are studying in Englad.There are many mountain in the countryside.On Tuesday ,they want to climd a beautiful mountain .Th weather reporter says it is sunny today ,They (A)穿上暖和的衣裳 because it is cold in the mountain .After tw 英语老师留了一个这样的作业,The English classroom is on the tenth floor of the Commerce Building.It is a large room about twenty feet long and ten feet wide.The walls are light green and the ceiling is white.Under the windows there are tw 选词填空:in on near 1.There is a TV ( )the window.2.There are two pictures( )the wall.3.There are many computers( )my school.4.There is an ice cream( )the fridge.5.There is an piano( )thedoor.6.There aee two doos( )my classroom. 几道题大家帮我解答下1 There are many young children ____in the park .A playing B are playing Cplay 2 I hear you play the piano _____A wonderful B beautiful C beautifuly There was only a man and a piano. 为什么用was There will be a （ ）in the hall tomorrow evening.A.studentB.childC.showD.piano there was a man played piano in a bar.这句话play有问题吧? 改错：1.He writing a letter in the room.2.She can swims in the river.3.He and I am good friends.4.Her father is plays the piano.5.There are three windows on the wall. look at those ______(dog） 适当形式 I can see a ______(piano)standing near the door 适当形式there are some ______(orange)on the table 适当形式 would you like some ____(bread) there are a lot of