1.A:Were have you been?I've been calling you all afternoon.
B:I was working in the basement and I didn't hear the phone.
2.A:What were you doing when the storm began?
B:I was driving to work.
3.A:Where's Dad?
B:He is in the garage.He's been reparing the car all morning.
4.A:Have you finished packing your suitcase yet?
B:Almost.How about you?