I’ll be out for some time______ anything important happens, call me up immediately

Several passages were found _________ whenthe book _________ me

He is recovering now is no need to call in a doctor

What have you done with your arm?- A little boy ________ my bike and knocked me off it.[ ]

______ didn’t Sally play the violin at the concertlast night?—She said that her hand hurt, but that was only anexcuse. I saw her play tennis just now.A．Why