I have an MBA for Harvard 为什么用for

i have much money for the sweater 为什么用for I have cash for one hundred.为什么用for? i 've been waiting for you for an hour .为什么这个 have been 后面 带 请问"an MBA degree"为什么用an? I have been working for an hour. I have working for an hour. have for breakfast 为什么要用for have for lunch 为什么用 for I want to apply for the MBA in your university.MBA前面是否要加the? It is an honor for an__ to go to Harvard University.A,18 yea I ____for you for an hour.Where have you been. I will have lunch and then s------- for an hour. I have being waiting for an hour but he still___.