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It is quite necessary for a qualified teacher to have good manners and ____ knowledge

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"Anyone who stops learning is old, ____. Anyone who keeps learning stays young." _ Henry Ford

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Please ..... your dog; it's barking at the children

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For us, the show didn't _________ all the enthusiastic publicity it received

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Keep all dangerous things out of children’s _____________

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Were my grandfather alive, he ____ learning something new. He was really a studious.

There are four_____________ in a year.

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Drone racing is an exciting new sport, that has become popular faster than (1)______ other sport before it. Pilots steer small and lightweight, but high-powered drones along courses with obstacles. They fly through gates and around flags at speeds of over a hundred miles an hour. They control the drones using VR-like headgear. Every drone has a camera (2)______ to it so that spectators can also view flights either on a big screen or with special headgear. The races take place either outdoors - in big stadiums, or indoors in old warehouses and sports arenas. (3)______ are short because the battery time of drones is limited. (4)______ drone racing started only a few years ago there are already international competitions that take place all over the world. In professional leagues, drone pilots compete for thousands of dollars. In March, the World Drone Prix was staged in Dubai. A 16-year old British teenager not only one the race but also received a prize money of 250 000 dollars. Television and other media have become aware of drone racing. ESPN, an Amercian sports channel, will be broadcasting international drone races starting this August. Races are also recorded and uploaded to YouTube and other video platforms (5)______ they can be viewed over and over again

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You made a commitment to support our project, and now you've gone _____________ your word

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I could ……a note of panic in his voice

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After one month of hard fighting, the northern alliance army won the________

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Everyone wants to reduce pollution. But the pollution (30) _____ is as complicated as it is serious. It is complicated because much pollution is caused by things that benefit people. (31) _____, exhaust from automobiles causes a large percentage of air pollution. But the automobile provides transportation for millions of people. Factories discharge much of the material that pollutes the air and water but factories give (32) _____ to a large number of people. Thus, to end or greatly reduce pollution immediately, people would have to (33) _____ using many things that benefit them. Most of the people do not want to do that, of course. But pollution can be gradually reduced in several ways. Scientists and engineers can work to find ways to lessen the amount of pollution that such things as automobiles and factories cause. Governments can pass and enforce laws (34) _____ require businesses and traffic to stop, or to cut down on certain polluting activities

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How much did you __________ that dress?

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Closer _______ of the documents revealed a number of interesting and important fact

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Everyone at the party ......... when Jim came in wearing his strange funny clothes

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A lot of generous businessmen have ____ valuable contributions to helping needy people

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"Parents today want their kids spending time on things that can bring them success, but (1)_________, we've stopped doing one thing that's actually been a proven predictor of success-and that's household chores," says Richard Rende, a (2)_________ psychologist in Paradise Valley, Ariz, and co-author of forthcoming book “Raising Can-Do Kids." Decades of studies show the benefits of chores- academically, emotionally and even professionally. Giving children household chores at an early age (3)_______ to build a lasting sense of mastery, responsibility and self-reliance, according to research by Marty Rossmann, professor emeritus at the University of Minnesota. In 2002, Dr. Rossmann analyzed data from a longitudinal study (4)_______ followed 84 children across four periods in their lives-in preschool, around ages 10 and 15, and in their mid-20s. She found that young adults who began chores at ages 3 and 4 were more likely to have good relationships with family and friends, to achieve academic and early career success and to be self-sufficient, as (5)_______ with those who didn't have chores or who started them as teens. Chores also teach children how to be empathetic and responsive to others' needs, notes psychologist Richard Weissbourd of the Harvard Graduate School of Education

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

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I feel it must be too late to apologize to my piano teacher, but at least I've got it off my _______

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Susana hardly ever speaks to us these days, ____?

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His disgusting conduct has ........ much blame