The police officer lectured the children for ten minutes about the dangers to throw stones, but then let them off with  warning.

Living in New York, apartments cost more to rent than they do in other smaller cities

We hadplanned to go to the movies, but, because of the amount of work I had, I spent the evening to study.

The ozone layer must be protected because it shields the Earth from excessive ultraviolet radiations

The steam engine is usually thought of as a relative modern invention, but the Greeks built a kind of steam engine in ancient times

That lecturer, his name I have forgotten, is very well-known

Being the biggest expanse of brackish water in the world, the Baltic Sea is one of special interesting to scientists.

Hoover Dam in Nevada is a multi purpose structure that provides flood control, hydroelectric powerful, and drinking and irrigation water

He understands …….... French, but he speaks it badly. 

The examination will test your ability to understand spoken English, to read non-technical language, and writing correctly

The function of pain is to warn the individual of danger, so he can take action to avoid more serious damage.

My brother shouldn't do that,  _    ?

 Scientists sent ............ expedition to ............ Mars during .......... 1990s. 

Interest in automatic data Processing has grown rapid since the first large calculators were introduced in 1950.

Our tomatoes are ripen nicely, they’ll be ready to eat in about a week

The fragrant leaves of the laurel plant to sell commercially as bay leaves and are used for seasoning foods.

The medical problems of parents and their children tend to be very similar to because of the hereditary nature of many diseases.

They are going to do the test tomorrow, _    ?

Nocturnal creatures, raccoons forage primarily at night and spend their days rest in their dens

It took the mayor over an hour explanation to the other members of the board why he had missed the last meeting.

In spite of her physician handicaps, Helen Keller graduated from Radcliffe with honors