---- Could you tell me ______? I must find him.---- Sorry.I don’t know.But he was here just now.
---Look, the old man who is playing ________ guitar is ______ university teacher. ---Oh, how nice the music is!
—Peter is not himself these days. —Well, could you tell me________?
—My father’s just come back from work, ________?— ________. He is having a rest in the room.
Usually, carelessness _________ failure.
The police can’t decide whether the suspect is guilty because he could prove he was________at the time of the crime.