题目

Elizabeth and I are 18 now, and about to graduate. I think about our elementary-school friendship, but some memories have blurred (模糊).What happened that day in the fifth grade when Beth suddenly stopped speaking to me? Does she know that I've been thinking about her for seven years? If only we could go back, discover what ended our relationship.  I have to speak with Beth. I see her sometimes, and find out school is “fine”. It's not the same. It never will be. Someone says that she's Liz now. What happened to Beth?  I can't call her. Should I write? What if she doesn't answe22除以5，商几余几？