how long has the meeting()?

how long has the meeting()? please tell me how long the meeting has ___. A.begun B.held How long win the meeting last , how long has the fire How long has the shop been open How long ____ the meeting ____?For about ten minutes. Tell me how long the meeting ____(last) tomorrow -How long did the meeting last this afternoon? How long has she ( How long did the meeting last?how long不是和完成时连用吗,为什么用did How long has the lab in your school been___use? how long has your father worked in the company?