The ______of the world ’s forests concerns e veryone in some way.A. destructionB. cons

________ is America’s unique contribution to the world history of architecture.A.Edgar

Scientists will have to___new approaches of increasing the world’s power supply.A.put up w

The United States has less than 5% of the world s population; yet it produces about ______

The best title for the passage would be______.A．Different Roles of Men and WomenB．How to S

The cause for the heat in interior of the earth is______.G.E.OLOG.I.STS H.A.VE. B.E.E.N. S

All the President’s Men ______one of the important books for historians who study the W