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If I ......................... so busy yesterday, I would have visited you

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Water is of vital importance to all living things. Without it, all living things will surely die. We also use a great (16)______ of water daily in our homes, in factories, and in power stations. Most of this water is fresh water and it comes to us from reservoirs, rivers and lakes. The Earth's surface is (17)_____ by large areas of water which we call oceans and seas. If you have tasted the water from the sea, you will know that, unlike fresh water, seawater tastes salty. This is due to the (18)_____ of sodium chloride which comes from the land. Rivers carry it to the sea. Although neither salt nor fresh water has any color, the sea often looks blue (19)______ the sunlight. The reason is that sunlight is made up of many colors. Some colors disappear quickly in the sea but blue light bounces back or is reflected, to the surface. This makes the sea look blue. (20)______ , a stormy sky will make the sea look grey

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Over the last forty years, psychologists _______ three methods which consistently improve memory for words

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I came __________ him in the library after work, and we got into a great conversation about Hemingway

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His parents don't like some of his friends. His friends wear too flashy clothes

Choose the letter A, B, C or D to complete the sentence: ___________ do you go to the theater? - Sometimes.

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You'll have to work harder to ...... with the top students in your class

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Building necessary ____ such as hospitals, schools and parks is important

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Assistant: “Is there anything I can do for you, sir'?” - Customer: “______”

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After the power went_____________ , I spent the night reading by candlelight

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He was ill for six weeks and fell _________ with his schoolwork

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Positive parent-child bonds foster autonomy, curiosity, self-esteem and better ____ skills.

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How to _______________ research based on their theories has proved difficult for phenomenologists

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Angie was 13 at the time, and even more of the household and childcare duties fell ...... her shoulders

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In Africa a famous food company tried to sell its baby food by advertising it with the picture of a baby on the label. They did not know that this particular country used labels only to (19)_________ a picture of the food inside. When Pepsico used the slogan "Come alive with Pepsi' in Taiwan, they had no idea that it would be translated into Chinese as 'Pepsi (20) ________ your ancestors back from the dead’. Misunderstandings such as these about language or about culture are sometimes comical but can also cause genuine hurt or anger. Business styles (21) ________ widely in different countries and what is normal in one culture can be completely unacceptable in another. Socialising in different countries can be tricky. In Arabic countries, for example, people do not discuss business (22) _________ meals. Giving gifts is another potential problem: in the UK most people take presents to a dinner party, but in many countries this is not polite because it (23) _________ you think the host is poor

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You have just bought a new cassette, ____?

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In the afternoon, the tourist will take a boat trip to the ancient temple ____ on the river bank

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When his first child was born, John took to fatherhood like a _______ to water

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Shelters are full of ___________ pets

Hello, Mai. This is Vy and this is Minh. ………… are in six years old

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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