Complete these sehtences with must or could,was.were able to,couldn t
1)the fire spread quickly but everyone ----escape
2)he had hirt his leg,so he ---- walk very well
3)she wasnt at home when I phoned but I -----contact her office
4)I looked very carefully and I -----see a figure in the distance
5)they didnt have any tomatoes in the first shop I went to,but I -----get some next shop
6)the boy fell the river but fortunately we -----take rescue him