Although the country has had political independence for over a century,   it needs the support of its neighbors.

The U.S. official said North Korea --- and Iran --- should follow in the steps of Libya, which last December said it would work__________ to allow international weapons inspectors to do their work. 

The members of the board are discussing the problem right now; it will _____ have been solved by the end of next week．

Faced with the exams, we should work as hard as we can.       , we shouldn’t do it at the cost of our health.

Suan! Where have you been? You have no idea ___ worried I was !