Open the brackets using the -ing form or the infinitive with or without to:
1.The Peters go __________ (cycle) every weekend unless it rains.
2.They won't come. They are busy __________ (paint) their room.
3.I'd rather __________ (take) a taxi. It's very slippery today to walk.
4.__________ (walk) is a very good exercise.
5.Today we are meeting after school __________ (play) Scrabble.
6.It was too late __________ (buy) any present. The shops were closed.