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He went to see the sights. He had a/an ________ tour

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The higher a person's income, ____ tax he/she has to pay.

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_______ we climb, the steeper the mountain became

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Your parents ________ angry if you ________ playing computer games

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Visitors to the local museum are mostly attracted by _______ rocking chair

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After my younger sister had moved to New York City, her room got _______

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There is ______________ cheese in the fridge

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The patient will not recover unless he_____________an operation

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My landlord's given me a week to clear ___________ of my flat

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We put _________ some new pictures in the living room

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Once ....... as the World Natural Heritage by UNESCO, Phong Nha – Ke  Bang National Park attracts a great number of visitors worldwide

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He’s never made an effort to keep _____________ current events

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It seems entirely natural to us that there are teams of scientists in universities and (46) _____ institutions around the world, attempting to discover the way the world works. (47) _____, it hasn’t always been that way. Although the scientific method is now four or five hundred years old, the ancient Greeks, for example, believed that they could (48) _____ the cause of natural events just by the power of thought. During the 17th century, more and more people began to realize that they could test their scientific ideas by designing a relevant experiment and seeing what happened. A lot of (49) _____ was made in this way by individual scientists. These men and women often worked alone, carrying out research into many different areas of science, and they often received very little (50) _____ for their hard work. At the start of the 20th century, though, it became clear that science was becoming more complicated and more expensive. The individual scientists disappeared, to be replaced by highly qualified teams of experts. Modern science was born

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What you have said is wrong,_________?

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Clifton was the place we went for that rainy vacation, ____?

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It’s absurd! In the first section they praised us for preventing a “major epidemic” and in the next one they write that we _________ so many people

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I'll go shopping when I've __________ my chores

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What ____ _when you injured your finger? - I was playing volleyball

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In the past, people bought goods using (5) _______. They rarely borrowed money from financial institutions and only when they had saved the money did they buy what they wanted. Recently, however, there have been great changes in the way people purchase goods. To begin with, some people pay for things by cheque, (6) ______ others prefer monthly installments rather than paying the whole amount at once. Most consumers, though, prefer to buy things using their credit cards. (7) _______, it is thought that there are benefits to having a credit card. Apart from the fact that credit cards are handy, some stores offer bonus points to people making purchases, while others give discounts on certain products. On the other hand, credit cards must be used wisely because they can prove disastrous. In the long run, consumers find that they can’t (8) _______ without their credit cards and constantly rely on them, as they are “easy money”. As a result, some people lose control of their finances spending more than they should end up not being able to (9) _______. So they end up in debt and have difficulty in paying it back

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_______, he would have been able to pass the exam

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He’s never on time to fulfill the tasks,______?