this is Sam's ___visit to Beijing.he hai been there twice before为什么是third为什么不可以说third time?不可以说是第三次么？

____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 Sam's/is/sweater/this are/these/trousers/sam's 连词成句 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 This is (对Sam's提问）bag. This is Sam's friend.划线提问friend划线 This is Sam's friend .变否定句 this bedroom is jim and sam,s jim( )a bedroom( )sam. 变为同义句 This is lane[ ]Sam.Nice to neet you.A; This B;this is.C; than is.D; That's 这是Sam自己的书 英语怎么说?This is Sam's own book.是不是这么说? this hat is mine,and that -------is sam‘S A a B one c the This is my puppy ._______name is Sam Is this （ ）（Sam的）pen? 填空：Sam:__!667895.Mike:Hello,Bill?Sam:___,this is Sam. sam is sally's brother的意思 This is Sam's friend.变一般疑问句,YES回答.2变否定句.3划线提问friend划线 Sam took my T-shirt.This is Ms Smart's.（两句都改成否定句）拜托了各位 改错 sam is go to meeting some fiend this eveing. this is my mother (call) sam 填空用适当形式