I can remember very few ____ when he had to cancel his plans because of poor health.
.When he was only thirty years old, he had already experienced ___________ most people only experience when they are much older.
.___________ in the sports world, a sportsman needs to train constantly to keep himself in best condition.
.Listen, Mike. She ________________ have done it. She's been with me at the shop all day.
.—Do you want to go to the cinema tonight? —Sorry, I’m so tired. I ___________ an early night.
.With age, the mineral content of human bones decreases, ________ them more fragile.