Quiz: fill in the blank:

What are you doing ___?

naw, knoo, knaw, noo, knou, know, nou, kno, no, now

• Medical doctors should continuously to read medical literature so they keep abreast of medical developments.
• The purpose of the United Nations, broad speaking, is to maintain peace and security and to encourage respect for human rights.
• Anders Celsius, a Swedish astronomer, devised the temperature scale what bears his name.
• A massive rural exodus has been taken place throughout the world during the course of the twentieth century.
• The differential attractions of the sun and the moon have a direct effect in the rising and falling of the tides.
• Many international corporations have exploited the natural resources of countries in third world.
• Throughout the 1960s, Martin Luther King fought nonviolently for African-American right and for justice for all Americans.
• To generate income, magazine publishers must decide whether to increase the subscription price or selling advertising.
• Aeronomy is the study of the Earth's upper atmosphere, which includes their composition, temperature, density and chemical reactions.
• The neutron bomb provides the capable of a limited nuclear war in which buildings would be preserved, but people would be destroyed.
• The way in which Ice Ages occur remains a puzzling, for recent meteorological records can tell us little about the process.
• In an effort of expand their educational mission, TV networks are trying to have more programs for children.
• Who pays for wedding expenses depends on the culture in what the wedding takes place.
• A number of sleeping pills are accompanied by such side effects as amnesia and irritable.
• It's essential that the temperature is not elevated to a point where the substance formed may become unstable and decompose into its constituent elements.
• With special enzymes that are call restriction enzymes, it is possible to split off segments of DNA from the donor organism.
• If it receives enough rain at the proper time, hay will grow quickly, as grass.
• Agricultural scientists at the University of California have recently made a number of discoveries that could help themselves receive upcoming governmental grants.
• Nomadic people use dung as their mainly fuel source.
• Atlanta, Georgia, is a hub of air and train transport, as well the leading symbol of the new South.