Which grvde is Sam's elder brother in

Which grvde is Sam's elder brother in sam is sally's brother的意思 ____is said that ______ tourists visit this park every day1 who's Sam 2 who is ; Sam's 3 Whose is ;Sam 4 Whose is ;Sam's Which country is called “Uncle Sam”?哪个国家叫做 “Uncle Sam”? This is ________ car.It looks very beautiful.A.Kitty’s and Sam B.Kitty and Sam’s C.Kitty’s and Sam’s D.Kitty and Sam Sam's/is/sweater/this are/these/trousers/sam's 连词成句 Jack's book is newer than Sam's(改为同义句)Sam's book is ___ ___ Jack's this bedroom is jim and sam,s jim( )a bedroom( )sam. 变为同义句 用Jeans,that,Sam's,is英语连词成句. Sam's favorite subject is chinese.(改为一般疑问句) This is (对Sam's提问）bag. John is Sam and Amy's friend.是否有语法错误? This is Sam's friend.划线提问friend划线 This is Sam's friend .变否定句 sam is my unle son.He,s my_____________ Does sam's father is teacher?是正确的吗? 英文句子中Sam’s friend is english中的错误 _____that new bike over there?I think it's_____.A.Who's;Sam B.Who's;Sam's C.Whose is;Sam D.Whose is;Sam's选什么?为什么?请说明下