1. David doesn’t mind _______ his mum with the housework. B helping
2. Mark is trying to save the Earth by getting involved in what is happening in the world. A participating
3. I’m sure I would have regretted it if I ___ to take part in the play. D had agreed
4. I ______ all the work by six o’clock. C will have finished
5. Since 2003 they ___ their son twice. C have visited
6. Jane___TV when the fire broke out. B was watching