He was driving a lorry load of bananas ____he came off the road at a bend and fell into the valley.
A computer cannot remember who_____; it simply does what _________.
The famous scientist was going out _____ he found himself surrounded by lots of young people.
– Look! What are those boys doing ______ the table?---Well, they are playing cards.
We were very busy yesterday. Otherwise we _____part in the discussion.
Bruce _________his leg when he _____ in a football match yesterday afternoon.