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Two students are talking about space exploration.
Ted: “I believe that one day people will be able to live on another planet.”
Kate: “ _______. Scientists have found some places outside the Earth which are habitable.

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The more frequently droughts happen, _______ our life will become

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He bought all the books ______ are needed for the English course

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Teachers are in the business of molding our youth into the citizens that will eventually run this country.

Choose the best answerI want to find .................... key. I can not go home without it.

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"We can never feel fulfilled by following someone else's dreams: independent living is the only way to find true satisfaction."

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Hey, ____________ me a favor and take these bags into the kitchen while I get the others from the car.

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I'm not sure whether I can gain any profit from the investment, so I can't make a(n) ____ promise to help you

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Minh likes___________ a game of tennis on TV

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She ______ yet. I _____ her for half an hour. Have the film started?

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Most people think of computers as very modern inventions, products of our new technological age. But actually the idea for a computer had been worked out over two centuries ago by a man (39) _____ Charles Babbage. Babbage was bom in 1791 and grew up to be a brilliant mathematician. He drew up plans for several calculating machines which he called "engines". But despite the fact that he (40)_____building some of these, he never finished any of them. Over the years, people have argued (41)_____his machines would ever work. Recently, however, the Science Museum in London has finished building(42)_____engine based on one of Babbage's designs. (43)_____has taken six years to complete and more than four thousand parts have been specially made. Whether it works or not, the machine will be on show at a special exhibition in the Science Museum to remind people of Babbage's work

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They share the housework …..................... between them.

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Mr. Brown ________ English.

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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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People with normal, healthy ____ systems generally can fight off certain diseases without drugs, and might not even feel sick

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My mother started working weekends, so I have to stay home and take care ________ my siblings.

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There is a(n) ________ desire for more face-to-face contact, perhaps due to the increase in online interaction in today’s world

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He expected _____ for an Oscar, but he wasn't

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Polar bears are in danger of dying out. (25) _____ some other endangered animals, it's not hunters that are the problem, it's climate change. Since 1979, the ice cap at the Arctic Circle where the polar bears live has reduced in size by about 30 per cent. The temperature in the Arctic has slowly been rising and this is (26) _____ the sea ice to melt, endangering the polar bears' home. The polar bears' main sources of food are the different types of seals found in the Arctic. They catch them by waiting next to the air holes seals have made in the ice. (27) _____ the bears are very strong swimmers, they could never catch seals in water. This means that the bears really do rely on the ice to hunt. Polar bears also need sea ice to travel. They can cover a huge territory and often swim from one part of the ice to another. They have been (28) _____ to swim up to 100 km, but when there is less ice, they may have to swim further and this can (29) _____ fatal to the bears. A number of bears have drown in the last few years and scientists believe that it is because they were not able to reach more ice before they became too tired and couldn't swim any further

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As the head accountant is out of the office today, the budget meeting will be ------- until next week

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