_________that developed countries want to limit the development of the developing countries in the climate conference in Copenhagen.

Her mother is a nurse, sometimes she works_____ night.[ ]

You see, “Food Safety” receives thousands of Internet hits a day.—Obviously, it has become one of the _________ topics recently.

He is _________ to have gone abroad,for I haven’t seen him for weeks.

_______ was a struggle for me to remember all the strange faces and new names.