The meeting will begin in fifteen minutes.And there ___ many people in the hall.为什么只能用have been而不能用have had?

the meeting will begin的一般疑问句 Who will a______ the meeting this afternoon? —（ ）WILL YOU HAVE THE MEETING The sports meeting will l______ two Mr.Green will address the meeting. He will speak__.A.at meeting B.in the meeting C.on the meeting D.at the meeting you know 【 A when the meeting will begin B when will the meeting begin Could you tell me___tomorrow morning?Awhen the meeting will start Bwher will the meeting startCwhere the meeting startsDwhen the meeting would start Tom will come to the meeting,or Sam will come to the meeting________Tom______.Sam will come to the meeting Whether he will come to the meeting d__on the weather. will you discuss this problem at the meeting?( )this problem ( )( )at the meeting? the meeting will be over ______half an hour The meeting will rise for three days.翻译 Don't worry.The meeting will start_______ten minutes,介词 Will you take part in the sports meeting next week? She will speak English at the meeting.(改为否定句) what will you speak at the meeting怎么改错 The meeting will be held next month.改为同义句 The meeting will _____ _____ next month.The meeting will be held next month.改为同义句The meeting will _____ _____ next month.