Transform the sentences into passive.
1. people use computers in a great variety of fields.
2. computers perform different operations.
3. students use computers to access the internet.
4. workstations in the race buses provide the timing system to tv stations.
5. scientists invented computers last century.
6. managers will use computers for administrative purposes.
7. this professor teaches two foreign languages.
8. the teacher asked the students many questions.
9. airplane pilots use computers to help them control the plane.
10. we shall meet the delegation of foreign scientists next week.

Today every ten minutes one species of animal, insect, bird, fish or plant dies out forever mainly because of the world’s environmental problems. However, some animals have become extinct because of human actions. People hunt, overfish and change wetlands and forests to croplands and urban areas.

Today the most well-known kind of animal who is endangered is blue whale. Blue whales are the largest animals ever known to have lived on Earth. Their tongues alone can weigh as much as an elephant. Their hearts, as much as an automobile.Blue whales, die out because of lack of food.There was a time, when the blue whale was a major animal in every large water body of the world. But the arrival of the whale hunting era, diminished the whale count by such a massive number, that blue whales are still endangered today.

My second house will be smarter than the first one.

Basketball is the third most popular game in the USA. People enjoy both watching and playing it.

I prefer my good old Nokia. It’s my first mobile phone.

About 150 years ago it became a luxurious farm house and then in the early part of the twentieth century it became a hunting and fishing lodge.

November 21. Today, I took the entire fifth grade on a fieldtrip to the state capital. It was incredible!

It's the fifteenth largest country on Earth. But more than 90 percent of Libya is desert, and there's not a single permanent river in Libya!