Before the telephone was invented by Alexander Graham Bell in 1876, it was hard for people ........……over long distances.

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• In the early days of development, jet engines used numbers of fuel

• The central purpose of management is for making action or decision helping achieve a carefully chosen goal.

• Since computer was invented, work of accountants have been simplified.

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• Gunpowder, in some ways the most effective of all explosive materials, were mixture of potassium nitrate, charcoal, and sulfur.

• The midnight sun is a phenomenon in which the Sun visible remains in the sky twenty-four hours or longer

• Marie, ................ I met at the party, called me last night.

• He had so a difficult exercise that he couldn’t do i.

• Genetic engineering is helping researchers unravel the mysteries of previously incurable diseases so that they can getits root causes and find cures

• My father doesn’t know speak English 

• Near equator , the slant of the Sun’s rays is never great enough cause temperatures to fall below the freezing point.

• The student realized with disappointment that he had learned new nothing in lecture

• Choose the word or phrase among A, B, Cor D that best fits the blank space :
  For most of their time in orbit, astronauts are fully  ……….with repairs and scientific experiments.

• Contrary to popular belief, bananas are grown on the soft stalk of a leafy plant and not on trees with wood trunks.

• If dinosaurs would have continued roaming the earth, man would have evolved differently

• Jack had to skip breakfast ; otherwise, he will be late class.

• I would have gone with him to Washington except I had had time.

• Philosophy, the inquiry into the nature of human knowledge, it is still a popular subject among university students

• We had to turn _______ their invitation to lunch as we had a previous engagement. 

• Nocturnal creatures, raccoons forage primarily at night and spend their days rest in dens.

• Georgia has too many types of soil that virtually any temperate-zone crop can be grown