Sam is good,Tam is better,and Tom is the best.语法正确吗?

Sam is good,Tam is better,and Tom is the best.语法正确吗? Sam is good at playing baseball .改为同义句 给下例句子排序A,they give sam a lot of gifts B,they have a good timeC,sam is having a birthday party D,sam is very happy he likes gifts E,his friends come to his home Sam is good at playing the piano.改为同义句Sam------- --------- the piano-------.每空一词 () Tom's handwriting is good,but Sam's handwriting is a lot .A．good B．best C．better D．well Sam Brown is my uncle.I call him____.A.Sam B.Brown Uncle C.Uncle Sam BrownD.Sam Uncle Sam is doing( )at school,of which his mother feels very proud.A.good B.well C.nice Is Sam in,please? What is Sam? My name is sam smith .My good friend junjun is in class 2,grade 4.改：把sam smith 改为 Sam Smithjunjun 改为Junjun class 和grade大写? Sam is （ ）than I at EnglishA.more good B.much good C.much better D.more better说明理由哈!·· Sam is a good ___.he is very kind to the people sho are not well 同义句taking more exercise is good for your health] pedro is thinner than Sam Sam is good at playing the piano.(改成同义句）Sam ?the piano?各位大哥大姐速度啊! It is good for uncle sam to stop smoking（保持句意基本不变）It is good for uncle sam to ____ ____smoking --Where is Jim in the classroom?.–He sits between-----.A、I and Sam B、Sam and I C、me and Sam DD是 Sam and me~ 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 Hello,___Bob?-------No,this is Sam. A.are you. B.is that. C. That is.