i want to buy roller skate

i want to buy roller skate I want to buy some 选择填空I want to ride( )the roller coaster.A on B in C at I want to buy something ( ) her i want to buy some medicine_______my toothache I want to buy a house _______money. I want to buy( )art book. I want to buy skirt ______my father I want to buy this phone. I want to buy a present______mu cousin I want to buy a hair c____ I want to buy an u-------. I want to buy an access是什么意思 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 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