用for或since填空1.Jill has been in Lreland( )Monday.2.Jill has b

用for或since填空
1.Jill has been in Lreland( )Monday.2.Jill has been in Lreland( )three days.3.My aunt has lived in Australia( )15 days.4.Margaret is in her office.She has been there( )7o'clock.5.India has been an independent country( )1974.6.The bus is late.We've been waiting( )20 minutes.7.Nobody lives in those houses.They have been empty( )many years.8.Mike has been ill( )a long time.He has been in hospital( )October.