They are in __but in__.a.same grade,differentThey are in __but in__.a.same grade,different classes b.the same grade,different classes a和b选哪个,要不要the

They are in __but in__.a.same grade,differentThey are in __but in__.a.same grade,different classes b.the same grade,different classes a和b选哪个,要不要the They are in ( ) colours what class are they in? Are they in the door? are they still in --(dangerous)? They are in the woods. They are in the _class Are they in the box? Which class are they in? 英语翻译they are in invaluable. Are they in china?NO,they（） ___ ___are they in?They are in ____Two ,____Four They are in different classes,b( ) they are good friends. They are w__ teachers.they are often in nice skirts. they are from America .but now they are in Shanghai They are interested in ___English .Now they are 英语翻译They are in the ___ ____. Are they---------(swim)in the river now?