Câu hỏi:

Part 3: Questions 76 – 85. (2.0 points- 0.2/ each).

Read the text and think of the word which best fits each gap.

Fire was very important to man. He needed fire to (76) _{……………………} himself warm at night. He used fire to cook his food. He used fire to (77) _{……………………} away enemies and wild animals. In some parts of the world he used fire to signal messages. Red Indians, for (78) _{……………………}, used fire to make smoke signals. In some (79) _{……………………} countries people lit fire to warm their friends of danger. Fire was (80) _{……………………} used to give light. Before the invention of the oil (81) _{……………………}, men used burning sticks as torchs. And before man discovered gas (82) _{……………………} electricity, he hung small fires in wire baskets from posts to light the streets. One man even used fire to (83) _{……………………} the time. He invented a candle clock. He made a candle that took exactly twelve hours to burn. Then he marked this candle in twelve (84) _{……………………} parts. He lit the candle and could tell the time by counting the number of parts left of the burning candle. But the candle clock (85) _{……………………} not always work well. If there was a wind blowing on the candle, the flame burned too quickly.

Fire was very important to man. He needed fire to (76) _{……………………} himself warm at night.