Language Focus – Expressions in Use 1. Because women often restrict their diet in an effort to control weight, they may not consume enough iron-rich food and ( ) experience an iron deficiency. 2. Some reform advocates ignore the impact of class size on student achievement, and they are ( ) what they call as a priority: teacher effectiveness. 3. Because of easy access to the Internet, the new breakthrough to create something truly creative ( ) happen anytime now. 4. Indeed, if teachers want to ( ) how far students might get in life, a better measurement than grades might be how hard the students try. 5. Nature has (1) ( ) these animals (2) ( ) a capacity for not showing fear. 6. During the weeks of discussion, delegations from groups who are interested in the resolution may call on representatives to ( ) their point of view. 7. Plato was a superb writer, and his works are part of the world's great literature. Most of his existing work is ( ) dialogs and letters. 8. Youing people should enter into a broad flexible training program, through which they can leartn a lot and be ( ) their future careers. 9. The young man is very happy and proud to be ( ) the old professor because he always feels great when talking with him. 10. One day tehy passed more than 20 villages ( )and some of these are said to have strtched for six miles or more.