Many efforts have been made to _________the environment. 

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• Even the smallest pulley can be done stronger by adding wheels to system to create more leverage 

• Her application for a visa was turned down not only because it was incomplete and incorrectly filledt but also because it was written in pencil 

• We have rented two videos and watched them with some friends last night.

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• Research has proved that a baby can distinguish its mother’s voice the moment he is born.

• No one would have attended the lecture if you told the true about the guest speaker .

• The surface conditions on Mars is the more imilar with the Earth’s than those of nay other planet the solar system

• The _________ of the event wanted to bring the new breath of life to the city. 

• Mary: “How would you like to play golf tomorrow?” 

        Jenny: “_____________” 

• When Keith visited Alaska, he lived in a igloo in the in the winter months as well as in the summer.

• Find out error in each sentence: Our lifestyle changed since running water came to our village

• These engines used being started hand. But now they are started by electricity.

• Although the social sciences different a great deal from one another (they share a common interested human relationships.

• With animals both human, chewing helps relieve intension.

• Advertising it provides most of the income for magazine, newspapers, radio, and television in  United Statestoday.

• I’m afraid afPetra is on the phone. Do you want come in and waiting.

• My sister and I do not study at the same school. That is reason for why my father has bought two bikes

• Choose the best answer A, B, C or D: 

  Solar energy is not only plentiful but also infinite. 

• Established about 1300, the Acoma Pucblo in New Mexico is believed to be oldest continuous occupied settlementthe United States.

• Although he is 103 but, he still does a lot of work in the flat

• There are no  pouched animals in the United States but only the Opossum.