Why not buy sweeter to give him?

Why not buy sweeter to give him? why not buy him some sweeter?是病句吗 是why not buy some还是why not buy any 同义句 why don't you buy a pencil?why not buy a pencil对吗 Why not buy the coat?It’s really _. Why not buy the coat?It is really ( ). Why not buy a scarf for her?(改为同义句) Do you buy things according to what ads says?why or why not what should i get my grandma for her birthday 、 -why __you ___a scarf A not buy B don't buy C don't to buy D not buy It is not expensive ,but why not buy one为啥用but?看起来不太通 but why ( )some bananas?A.not buy B.don't buy C.not you buy D.don't 为什么要选择A?说一下原因,谢 why not( )john a toy car far his birthday?A.buy B.buying C.to buy D.buys. John,my computer doesn't work.Why not ask Mr Liu__it?A.to buy B.not to buy C.to checkD.not to check为什么 Why not to buy American products?口语课speech的题目, 同义句转换：Why not buy him a computer as a present. why not buy ____ snacks? A any B much C some D a little A:I don't have a computer. B:Why not buy ( )? A.it B.one解释 Since you like that T-shirt ,why not go and buy it