Are you clear?Do you understand?为什么一个用are一个用do,原因何在?

Are you clear?Do you understand?为什么一个用are一个用do,原因何在? Are you clear what I You are always so clear,seems to have nothing to do with you. 塔台对战机说：“you are clear for take off”,“you are clear”怎么讲? what are you what do you do? What do you do?How are you? Do you make myself clear?这句话有毛病吗 It's clear that I do not mean(hurt)you. 外贸 And do you stock it in clear?,急 填空are you clear what he is m..talking about? be clear about 与be clear to的区别是什么?Are you clear with what I said? Is that clear to you? 英语翻译Dear,Do you know?with you,i was happy,though often you get me angry.Dear,Do you know?i love you,even if you don't love me.Dear,Do you know?You give me a clear warm.You are the one for me.Recall,we hand in hand,shoulder to shoulder,You alw 翻译一下Wait for you to come in,saying that 12 is not clear,generally when you are online?You come I will tell you.和I would like to you.How do? 用句子.are you .用句子.are you .do you What are you do what are you want to do Who do you think you are?. do you think you are very powerful? Who do you think you are?