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Singapore is a ____ example of a smart city, and is constantly evolving its "city brain, "a backbone of technologies is used to help control pollution, monitor traffic, allocate parking, communicate with citizens

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 This is _______ room

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My mother ____ old clothes while my father ____ the food packages for the next voluntary trip

Choose the letter A, B, C or D to complete the sentence: In the spring, there are___________ of flowers.

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Some of the students were ____ at English, so volunteer teachers had to try very hard

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Nowadays people are more aware that wildlife all over the world is in (01) _____. Many species of animals are threatened, and could easily become (02) _____ if we do not make an effort to protect them. In some cases, animals are hunted for their fur or for other valuable parts of their bodies. Some birds, such as parrots, are caught (03) _____ and sold as pets. For many animals and birds the problem is that their habitat - the place where they live - is disappearing. More land is used for farms, for houses or industry, and there are fewer open spaces than there once were. Farmers use powerful chemicals to help them to grow better crops, but these chemicals pollute the environment and (4) _____ wildlife. The most successful animals on earth – human beings - will soon be the only ones (5) _____, unless we can solve this problem

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People talk about the generation gap as a kind of division between young people and their parents. It is something which is generally a problem when children enter their teenage years, and results (43) complaints on both side. Parents, for example, can often be heard to say that young people are (44) ______ and disobedient and in addition tend to be irresponsible when spending because they don’t appreciate the (45) ______ of money. Adolescents, on the other hand, complain that their parents don’t understand them. What has gone wrong? One explanation lies in (46) ______society has changed. In the past, children would typically continue the way of life of their parents. In today’s world, parents are very (47) ______ for their children because they want them to achieve more than they did. The problem is that the children often don’t agree with their parents’ plans. Teenagers also reach maturity at an earlier age than they used to and want their independence sooner. The resulting conflict is painful to both sides

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Energy-saving bulbs should be used ____ electricity

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______ will Mr. Dennis be able to regain control of the company

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We need to __________ a discussion about your school work

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 ___ do you think of this hotel? It's pretty good

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Peter arranged a taxi to Victoria for me to ______________ a train to Gatwick and the last flight to Edinburgh.

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to catch the train, I dropped my ticket onto the platform

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There are too many chairs here, ____?

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Having good friends who love and support you ____ who you are is really important to your happiness

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Students who want to continue their ____ education in the UK are expected to take A-level course

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That her sons often go home late makes her furious,______?

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Market analysts are surprised that Xcell Electric's quarterly ------- have been steadily increasing by about 4 percent.

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Ho Chi Minh city is .............. than Hanoi.

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I'm terrible at keeping secrets. My face goes beet red and gives me _________ every time

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________ you help me with the homework?