Sam________some knowledge of the computer just by watching others working on it.
The manager demanded that the workers extra hours to complete the task ahead of time.
to agriculture , the new technology will increase grain production.
Happiness is a feeling and neither high position nor a large amount of money can ______ it.
He ______ the advertisements in the newspaper and then goes directly to the store that is having a sale.
---- you do me a favor? -----Sure. With pleasure.