Sales of CDs have greatly increased since the early 1990s, when people_____ to enjoy the advantages of this new technology.
If the boy had _____ the dog alone, it wouldn't have bitten him.
The gate is too ________ for a car to pass through..
His uncle died and ________ him a lot of money, with which he bought an expensive car.
Her trouble was found to be _______, not physical.
What he said sounds _________, but it is impractical.