. His efforts to persuade him to make a donation were ____ because he showed no intention to take a cent out of his pocket.
--- I wonder how much you charge for your service. --- The first two are free ______ the third costs $30.
The real-name system _______ train tickets will be sold based on real names is aimed to fight ticket-scalping, which has long been a headache for Chinese travelers.
--- I don’t want to ask him for help, for he is a hard man. --- But, in fact, he is _______ glad to help.
---Now, have you finished your work yet?--- Yes, I _______ it when you came.
The man with a scar across his face is said _________ many valuable items from the museum.