where are the two____coats?是填sisters'还是sister's啊

where are the two____coats?是填sisters'还是sister's啊 Mary and Sally are .(sister) 应该填sisters还是填sister.哪位朋友知道?帮帮忙 where ___ the Green family live?是填 does还是do还是is还是are where _____ my sister's trousers. 空格里用are 还是is 阿 they are sisters.(改错) look at the girl!this is my sister（改错） Where ____ you sister go yesterday?填was还是did? are they your （sister 还是sister’s） dolls Tom's sister is_____girl with long hair 请问空格处填a 还是the 兄弟姐妹的英文,是brothers and sisters,还是brother and sister. there___ my sister and my brother in my family.是填is还是are where is the window?it's ( ) the wall.括号内应填 in 还是on .为什么? 是where is teacher 'desk 还是where is the s teacher 's desk 为什么