Complete the text with the correct form of the words in the box.

During high school, it’s easy to become stressed in balancing a number of obligations. But between all the stress and pressure of (21) ___________ your various activities, it’s important to contribute to the community, and make efforts to protect the environment. So here are a few tips on ways you and other teens can “go green.”

One of the easiest ways teens can go green is simply to turn off the lights. Open up the curtains and let the natural sunlight brighten up the room, or turn off the lights and fans (22) ___________ you leave a room that no one else is in. Studies have indicated that saving electricity helps to reduce global warming.

(23) ___________ way to go green is to car-pool, use your bike, or walk. Car-pooling reduces the amount of gas emissions released into the environment, which can help reduce things like climate change, air pollution, and disease. Using your bike or walking also reduces such emissions, and it is a great way to exercise. Therefore, by riding a bike or walking, not only are you helping the environment, you are positively contributing to your own health.

You could also try buying a reusable water bottle. Buying a (24) ___________ bottle is a smart investment because not only do plastic water bottles often go un-recycled, but buying a reusable water bottle can actually save you money over buying plastic bottles over and over again.

Another great idea is to unplug your computer and all other electronics before you go to bed, or after you are done using them. Although you may no longer be using your computer, it stills uses electricity in small amounts that add up. In fact, most (25) ___________ use some amount of electricity even when you aren’t using them, so it’s best to get into the habit of unplugging them when you can.

Finally, you can go green by turning off the faucet. Many people leave the faucet (26) ___________ while they brush their teeth, but this is just wasting water. Turning the faucet off while you brush your teeth can save the world a lot of water.

Without your help, I couldn’t overcome the problem.

=> If ..........................................................................................................

People think that Maradona is the best football player in the 20th century.

=> Maradona..............................................................................................

“I’m sorry, Angela, I’m afraid I’ve damaged your car,” said Martin.

=> Martin apologized................................................................................

The man works for my father's company. The man's daughter is fond of dancing. (relative clauses)

=> ...............................................................................................................

Although he was very tired, he agreed to help me with my homework.

=> Tired …………………………………………………………………..

Read the following passage and mark the letter A, B ,C or D on your answer sheet to indicate the correct answer to each of the questions.

Harvard University, today recognized as part of the top echelon of the world's universities, came from very inauspicious and humble beginning.

This oldest of American universities was founded in 1636, just sixteen years after the Pilgrims landed at Plymouth. Included in the puritan emigrants to the Massachusetts colony during this period were more than 100 graduates of England's prestigious Oxford and Cambridge universities, and these universities graduates in the New Word were determined that their sons would have the same educational opportunities that they themselves had had, Because of this support in the colony for an institution of higher learning, the General Court of Massachusetts appropriated 400 pounds for a college in October of 1636 and early the following year decided on a parcel of land for the school; this land was in an area called Newetowne, which was later renamed Cambridge after its English cousin and is the site of the present-day university.

When a young minister named John Harvard, who came from the neighboring town of Charlestowne, died from tuberculosis in 1638, he willed half of his estate of 1,700 pounds to the fledgling college. In spite of the fact that only half of the bequest was actually paid, the General Court named the college after the minister in appreciation for what he had done. The amount of the bequest may not have been large, particularly by today's standard, but it was more than the General Court had found it necessary to appropriate in order to open the college.

Henry Dunster was appointed the first president of Harvard in 1640, and it should be noted that in addition to serving as president, he was also the entire faculty, with an entering freshmen class of four students. Although the staff did expand somewhat, for the first century of its existence the entire teaching staff consisted of the president and three or four tutors.

The pronoun "they" in the second paragraph refers to.............................................