We need an effective strategy to help children living in ________ poverty to have the opportunity to receive ________ good education.
______ these models several were exciting, ____ of them exactly right.
Maybe you have travelled to many parts of the world, but nowhere else _____ striking attractions.
Sometimes I can’t help wondering what’s the matter with Tom.I can’t stand it that he often_____ me and talks with the other students around him.
Creating better health care, education and housing for everyone is a simple idea, but ____ which is hard to put into practice.
Cars play an important role in modern life, but they_______also cause many problems like air pollution.