Come along now and sit down． Tom, can you make＿＿＿＿＿for Mary? 

If you stand here, you'll get a better          of the river.

The collapse of the World Trade Center has put US economy in a difficult __________.

The UN Climate Change Conference in Copenhagen was held in a tense ______ due to lack of deep understanding.

It is a great       for a person to be able to drive when he is seeking a job.