Each country, of course, in _______ Copenhagen has its own particular priorities and concerns, which is why ________ agreement is so difficult to reach.

People develop______ preference for a particular style of learning at______ early age and these preferences affect learning. 

Japan says its prime minister promised to provide the world with "maximum transparency" about ____ accident at the Fukushima nuclear power plant during _____ telephone call. 

Sam has been appointed ____ manager of engineering department to take ____place of Tim.

We went right round to the west coast by       sea instead of driving across       continent。