—It is an hour before we can board the train. Shall we just wait here or go to have a cup of coffee?—________.
A good idea occurred to Mr. Baker________ to his invention recently.
---I’d love to go with you to the concert, but I’m short of money these days. ---That’s all right.________.
Practicing Chinese Kung fu can not only______ one’s strength, but also develop one’s character.
The Group of Eight ________ the eight richest countries in the world.
Only when you are in poor health_______ realize that health is _______.