请问I'm available

请问first available I’m afraid I won’t be available then.I _____ a friend off at 8. I’m afraid I won’t be available then. I _____ a friend of i am afraid i 'm not available to help with your assignment 请问503 Service not available i'm always available怎么翻译?请大家给点意见,尽快! I will be available this Friday for the meeting,请问Friday可以放在 I am not available是什么意思? Available available.. 请问I'm so I don't have much time available.