I'm due at a meeting then,due at是什么词组,查不到阿?

I'm due at a meeting then,due at是什么词组,查不到阿? I am at a meeting.其中at a meeting的句子成分 I am at a meeting.其中at a meeting做什么句子成分 I must ________. I'm meeting John at five. turn off put off take offI must ________. I'm meeting John at five. A.turn off B. put off C. take off请各位大侠帮帮忙啊 选什么 为什么? at a meeting是什么意思 两个英语疑问（从句什么的）1.The fire was__somebody had dropped a lighted cigarette.A.due to that B.due to because C.due to D.due to the fact that (为什么不直接用due to ,即选C?）2.__by many people at the meeting,the proposal was I,M afraid he is not——at the moment,he is at a meeting.1occupied 2available 3able 4movable Don't call me __now.I'm having a meeting Don't call me?now.I'm having a meeting I don't know what I'm going to say at the meeting(改同义句)I don't know _______ _______ _______ at the meeting （同义句）I'm sorry.Mr.Green is having a meeting.I'm sorry.Mr.Green____ ____a meeting. I'm afraid that( )you at the station will be impossible.A.meeting B.meet C.met D.to meet 选哪个?为什么? I am in meeting,call me at will be having a meeting at 4 tomorrow afternoon?I __ a meeting at 4 o'clock tomorrow morning.A.will be having B am going to have -Could you come back home at three o'clock?-____.I'll be at a meeting at that time.A.I think so.B.Yes,I hope so.C.I'm afraid not.D.I'm afraid so.怎样做?为什么? be on a meeting还是be at a meeting? --Could you tell me ________?-- Sorry,I don't know.I was not at the meeting.A.what does he say at the meeting B.what did he say at the meeting C.what he says at the meeting D.what he said at the meeting 虽然could不表示过去,可我觉得答案 I wonder if we will arrive at the meeting on time.I'm afraid we'll be late.翻译 Mr Black isn't here now .He is at a m in the next meeting room