I apologize ___ you ____ my impoliteness

Raymond’s parents wanted him to have_______ possible education.

How much are the shoes —— ________ 100 dollars.

(2014·山西省六所重点中学模拟)—Believe it or not，my sister and I are twins.—Oh，you must have had the case________you were taken for your sister.

Thanks so much for helping a lot!— ______.