He was driving a lorry load of bananas ____he came off the road at a bend and fell into the valley

The possibility of a way out of the difficulty never _____ to the captain and his crew.

Why didn’t you ring me up? —Sorry, I forgot your phone number. Otherwise, I _____ long before.

Don’t get off the bus __________ it stops.

What do you think of Miss Wang’s teaching–Oh, no one teaches