Every minute should be made use of _____ the foreign language so that you’ll get more used to thelife in the country. [ ]

He had to retire(退休)early _____ bad health.

Though________up in a big city,Bill always prefers to live a country life[ ]

To show our respect, we usually have to take our gloves off _____we are to shake hands with. [ ]

in the dormitory means_________ to take care of yourself, understand eachothers’ differences and share________ interests.