I have to excuse myself a moment.May I be excused Permit me to excuse myself.请问这几句话是啥意思呀?

I have to face everything alone by mys 请问,在这句子里have表示什么意思Today I have come back to Hong Kong to stand before you and account for mys me I go excuse have to如何排列正确意思 Excuse me.I have to catch some Zs.Zs 是什么? I want to change my job,but I don't have the excuse. I have to excuse myself a moment.May I be excused Permit me to excuse myself.请问这几句话是啥意思呀? I have no time __to your excuse A to listen B listening Now if you'll excuse me,I have to finish my cigar before it gets cold. 1.A:I have to excuse myself a moment.B:Go ahead.2.A:May I be excused?B:Of course.3.A:Permit me to excuse myself.B:You'er excuse.请问这几组话的意思是什么? 请英语高手帮我修改一下这篇作文!改一下语法和逻辑错误以及不妥之处~大的改动也可以的!I Want to Change Something about MyselfBefore I prepared to write this article,I have never considered changing anything about mys Excuse me,I want a 10 dollor-chess because I have to feed animals的意思是什么 Hello!Mys I speak to Alice/ I'm _____.There's no Alice here.I'm afraid ____ ____ ____ ____ ____? I suppose the reason is that we know all the circumstances that have occasioned them and so manage to excuse in ourselves what we cannot excuse in others.and后面的excuse in是什么用法 I have no excuse,because I love you! 单选:-Excuse me,do you have the time?-Excuse me,do you have the time?-_____.A.Yes ,I doB.Of course,I haveC.A quarter to tenD.No problem ----excuse me,do you have the time?----_____.A.yes,I do B.of course,I have C.a quarter to ten D.no proplem选神马,为什么? I’m afraid not与Excuse me的用法区别比如这道题：Can you come and play football with me?______.I have a lot of work to do.选I’m afraid not还是Excuse me?说明理由 Excuse me,can I use the camera this afternoon?Excuse me,can I use the camera this afternoon?-Sorry ,I have to return it to Li Lei .I ______ it for two weeks.A.have taken B.have borrowed C.have kept D.have lent请说明为什么（WHYWHYWHYWHY!)