do you have to buy this hat?

Do you have to buy this hat do you have to buy this hat? Do you have to buy this hat?No,i needn't necessary为什么填needn' Do you have to buy this hat?No,I________.It isn't necessary. Do you want ( ) the red hat A.buy B.buys C.to buy D.take Do you have anything to buy? do you want _the red hat —yes ,i do .a、buy b 、buys c、 to buy Do you have ( )to do this afternoon do you like to buy this new kind of computer? do you decide to buy this pair of jeans This hat looks nice.But it's too e_____,Do you have a cheap 括号填什么 根据首字母 This hat is big .Do you have a （s ） one