The value of life lies not in the length of days but in the use we ____ them.
I bargained with the shopkeeper for a long time, and finally we agreed________the price.
________the rapid growth of short messages which are sent by mobile phones, the number of criminal cases through short messages are increasing.
— Have you read the book War and Peace________Tolstoy? — No. I’ve never heard of it.
The study you have been making________the ancient Chinese culture is an interesting job.
Food prices increased________5% in less than one month.