In order to live with happiness, we must learn to _____work with pleasure since as much as one of three life span or so will be spent on it.
If no measures are taken, the special wild plant will ________ some day.
Sir, you ________ take this seat. It’s just for the old.
He spoke as though he________ anything of the world. --Really?
As we know, the 2008 Olympic will________ in Beijing, China.
The old man has two sons,________is a soldier.