Today is the first day of my phone English. I found the book delivered an hour before class. So I studied the today's topic in advance in a hurry. I took it for granted that my cell phone was on. But unfortunately, I didn't know my cell phone had been off until a few minutes after class. Oh my god! after all , I got the phone from Joy but I'm not satisfied with my first class. I was embarrassed and I couldn't talk in English much. Truth to be told, I expected more than this from class. From now on, I am planning to prepare for class perfectly. Nothing's going to stop me from being the master of English. Ha, ha!
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Your diary is good. There are just some corrections with your grammar. Your first and second sentences are great. Your third sentence needs to be changed: "So I hurried to have an advance study with today's topic." (Don't use "the" all the time). Your fourth sentence, the phrase "took forgranted" I think this is not appropriate for the sentence. I think it is better if you say it this way "I thought my cellphone was on, but unfortunately I didn't know that it was turned off. I just found out about it a few minutes after the class." Your eighth sentence: INstead of truth to be told use "The truth is, I expectred more from this class." The rest of the sentences were totally great!
