Can, could / (be) able to

A: Did everybody escape from the fire?
B: Yes, although the fire spread quickly, everybody .

A: Did you finish your work this afternoon?
B: Yes, there was nobody to disturb me, so I .

A: Did you have difficulty finding our house?
B: Not really. Your directions were good and we .

A: Did the thief get away?
B: Yes. No-one realised what was happening and the thief .