A U.N. peace-keeping _______ was sent to that country and the soldiers would devote all their _______ to their job.
Eggs are sold by ________ dozen while the meat is charged by ________ weight.
Last Sunday,we took ________ guided walk around by ________ signs of the famous town.
________ China's growth is not ________ threat to others.On ________ contrary, it will bring more opportunities to the world.
Obama has been elected ________ first black President of the United States, and the international society expects to have ________ new USA under his leadership.
The biggest whale is ________ blue whale,which grows to be about 29 meters long—the height of ________ 9-story building.