例句： A wet road is usually slippery.

例句： He sprang from peasant stock.

例句： She was joyful of her good result of the scientific experiments.

例句： It was a proud day for us when we won the trophy.

例句： If you study hard and pass all your exams you will reap a rich harvest later in life.

例句： Soon they became very skillful in answering such questions.

例句： His nomination as chief executive was approved by the board.

例句： The launch was delayed by a technical hitch.

例句： They are threatening to impose a blockade on the country.

例句： The mercury hovered around 35 Celsius degree.