There is a(n) ________ of 200 yuan for the person who returns the lost necklace to its owner.
Only according to the directions can the medicine be quite effective .
—I really don’t know how to thank you enough . — .
—Mark broke his leg when he was playing football . — was that ?
The brake of your bicycle has come loose . You’d better it .
Our ancestors celebrated birth of child by giving away red eggs .