Light can travel from the Sun to Earth in eight minute and twenty seconds.

He gave  ................ his job in order to go back to university.

Ozone is unstable faintly bluish gas that is the most chemical active form of Oxygen.

A smile can be observed, described, and reliably identify; it can als elicited and manipulated under experimental conditions

Don’t let him treat you badly. _____ him. 

Find the word which has a different sound in the part underlined.

None two butterflies have exactly the same design on their wings.

You needn’t do that when the maid is here, _____?

The intent of the Historical Society is to restore old buildings and the increase of interest in history of area.

He had so a difficult exercise that he couldn’t do i.

To make out the time, we booked a direct flight from California to New York.

.............. hard he has worked, he hardly supports his family of ten people.

Hailey’s comet was named after the astronomer Edmund Hailey, who was the first realize that some comets appear in regular cycle.

The plans the building complex were describing by the architect

Near equator , the slant of the Sun’s rays is never great enough cause temperatures to fall below the freezing point.

Ballet performers must be believable actor actresses as well as expert.

President Wilson had hoped that World War I be last great war, but only two decades later, the Second World War was erupting.

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

Michael has worked in three different companies in three different positions, so he has more work experience than other applicant’s

It is wrong to _____ poorer people. 

One inventor that Thomas Edison can take credit for is light bulb.