Q:What were you doing when I met you in the street yesterday?
A:I was doing shopping and hoping to get something I wanted.
Q:Did you get anything?
A:I saw a camera that I liked very much,but I didn't buy it.
Q:Why not?
A:Because I didn't have enough money with me.
Q:Why didn't you tell me that when you met me?I could have lent you some money.
A:When I met you,I had not seen the camera.
Q:Oh,I'm sorry to hear that.
A:It's all right.I can go and get it tomorrow.