An old friend of mine called me up this morning,but he refused to tell me his present ________.

It is important to have your eyes examined regularly to check for any sign of eye disease that may not have any __________.

If you want to see the chairman of the department, you’d better make an _________ with his secretary first.

It’s generally believed that the_________ of the Dragon Boat Festival is to celebrate the great poet Qu Yuan.

What’s the __________ of having a public open space where you can’t eat, drink or even simply hang out for a while?