Look there!_____ is my mother

Look there!_____ is my mother Look!There is someone _____(敲）at the door. Look ,there is some rubbish _____(lie)on the ground. My school is _____ ,and it is very _____.Look,this building is a _____.There are two _____. Look at_____(leaf). There is one leaf. Look at _____(plant). They are beautiful. Lily _____(look) out of the window.There is a lovely dog.为什么不用looks?（答案中是look） look,the boy _____ football over there. Look _____ the picture.The boy is walking _____ the river.There is a house _____ the river.There are some trees ______ the house._____ the trees are many apples. Look at the picture.There is a toilet in the picture.Are there any offices in _____?Yes,there are.填什么 --Where is Lucy?--Look,（there is she /there she is) Look,that is our new school building.There _____ old low houses.Look,that is our new school building.There _____ old low houses.A.used to B.used to be C.used to have D.used to having Look!There _____(be) a book and two pencils on the desk.横线里是填is还是are?为什么? .Look!There _____ a lot of sheep on the hill.A.is B.has C.have D.are There is danger _____(在前面) 英语翻译Look!He is _____ _____the computer. Look!The poor dog is _____(die ). look ,the shop is _____(关)now my job is _____(look)look afrer houses.