Astronomers do not know how many galaxies there are, but it is thought that there is millions or billions.

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• ................ advised on what and how to prepare for an interview, he might have got the job.

• Alike other forms of energy, natural gas may be used to heat homes, cook food, and even run automobiles

• Do it right now, ______?

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• Her name is Jane, ________?

• One decibel, which is a  unit of relative loud , is the smallest amount of change detected by human ear

• The most of the energy used in our homes and factories is generated coal, oil and natural gas

• Running along 180th meridian, the International Date Line is separated day from another

• Electric lamps came into widespread use during the early 1900’s and have replaced other type of fat gas, or oil lamps for almost  purpose

• After driving for twenty miles, he suddenly realized that he has been driving in wrong direction.

• Needles are simple – looking tools, but they are very relatively difficul make

• To survive, most birds must eat at least half their own weigh food every day.

• Air pollution, together with littering, are causing many problems in our large, industrial cities today.

• In a new initiative announcing today, police are to take a harder line on speeding motorists.

• Although she is 103 but, she still does a lot of work in flat.

• Dinosaurs became _________millions of years ago.

• As the telephone became ...……and more popular, it largely replaced the telegraph

• You have to use a magnifying glass so that to see some of the minute details.

• Electronics Superstore has announced that it will have closed early for the upcoming holiday week.

• Any material that is attractive b magnet is by definition “magnetic”

• Though he did not develop language, Laurent Clerc brought it on America from France.