Respuesta:
1 ejercicio:
- They collected cans last year.
- You arrived late yesterday morning.
- She listened to music last night.
- He played basketball two days ago.
- Did Mary carry an umbrella last night?
- Did they live alone three years ago?
- Did Peter and Susan walk to school a week ago?
2 ejercicio:
a) The gang didn't rob the bank last night.
b) I didn't dance a lot last Sunday.
c) Joan didn't play chess yesterday evening.
d) You didn't study hard last weekend.
3 ejercicio:
a) Did John carry Carol's bag?
b) Did you/I miss your/my friends?
c) Did you arrive late last night?
d) Did he watch TV last evening?
