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Environmental studies part 4

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EXERCISE Choose the best verb or noun from the chart to complete each sentence. Remember to use the correct verb tenses and singular or plural noun forms. 1) In the 19th century, parents realized that they had to take care of their children’s health and try to give them a good . Before that, most people did not go to school. 2) The . of the world is increasing every year. In the year 2005 there will be at least 7.2 billion people on the earth. 3) When people in North America . themselves to you for the first.

TÀI LIỆU LIÊN QUAN

Herbicides Environmental Impact Studies and Management Approaches Part 1

Herbicides Environmental Impact Studies and Management Approaches Part 2

Herbicides Environmental Impact Studies and Management Approaches Part 3

Herbicides Environmental Impact Studies and Management Approaches Part 4

Herbicides Environmental Impact Studies and Management Approaches Part 5

Herbicides Environmental Impact Studies and Management Approaches Part 6

Herbicides Environmental Impact Studies and Management Approaches Part 7

Herbicides Environmental Impact Studies and Management Approaches Part 8

Herbicides Environmental Impact Studies and Management Approaches Part 9

Herbicides Environmental Impact Studies and Management Approaches Part 10
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