Toxic chemicals from factories are one of the serious factors that leads wildlife to the ____of extinction.

Identify the error in each sentence: My sister told me that she had met my teacher at the supermarket yesterday

Of course an encyclopedia is not a book you read _________

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

Some conifers, that are tree that have cones, are able to thrive on rich, thin soil.

Disease is not as widespread than before because of better preventation medicine and vastly improved nutrition.

Identify the one underlined word or phrase that must be changed in order for the sentence to be correct.

Pictures of the surface of the planet Venus was received yesterday from the space probe "Explorer" which was launched last year.

After the test papers _________ to the students in class tomorrow, the students__________ their next assignment

He picked ________ the book and turned page after page.

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

There is no Oxygen in space to support the combustion of fuels as is there in the air on the Earth.

The bodies of cold-blooded animals have the same temperature surroundings, but those of warm-blooded animals do not .

Industrialist Henry Ford introduced assembly-line techniques into the manufactures of motor vehicles.

Martin was behind all the brilliant marketing schemes – he is really the ................ of the company.

It used to be a small town, where people .............. fishing for a living.

The local economy which once used to be in crisis now depends to a great extent on menial jobs provided by the recent development of ecotourism.

Identify the error in each sentence: 

The result of that test must be inform before August.

Because not food is as nutritious for a baby as its mother’s milk, many women are returning to the practice of breast feeding.

Runner Wilma Rudolf win three gold medals at the 1960 Olympics, and she set the world record for the 100 – meter dash in 1961.

Georgia has too many types of soil that virtually any temperate-zone crop can be grown there.

 I have _______ Julie for ten years.