The young man, who had rushed into the fire to save the old man, _____ rewarding.

The old couple wanted to sell their house and ______ it in a newspaper.

The opportunity Jack had looked forward________at last when he was named chief engineer in the project.

When I talked with my grandma on the phone, she sounded weak, but by the time we ___ up, her voice had been full of life

 When I was in Spain last summer, I ______ quite a lot of Spanish.