i want to buy a T-shirt ___ Xuaxing's great sale .填介词

i want to buy a computer.and i have some question(i'm sorry,i can't type Chinese,and my English is poor.)i want to buy a notebook,but i don't konw something about computer so much.here is two kind of computer i want to buy.which is better?How much sh I want to buy a T-shirt ( ) my father A.to B.oI want to buy a T-shirt ( ) my fatherA.to B.on C.for D.in I want to buy a house _______money. I want to buy a present______mu cousin I want to buy a hair c____ I+want+to+buy+a+postcard. I want to buy a _______of shorts. I want to buy a p____of shose want,ruler,buy,I,a,to I don't have enough money,so I want to buy a u___ car I want to go to buy a T-shirt for my brother.（变一般疑问句） I want to buy a pair of_shoes I want to buy a paiI want to buy a pair of_shoesI want to buy a pair of_shoes I want to buy a yellow T --shirt.（对yellow T --shirt提问)改为_____do you want _ __ ______? I want t some money to buy a bike 这个句子哪里错了? i want to buy a T-shirt ___ Xuaxing's great sale .填介词 I want to buy a computer,but my parents won t buy one for me.提建议. I don't want to buy something哪里错了 I want to buy a gift I want buy a gift 哪个对?为什么