Instruction

Select the best answer to complete the sentence.

1. The survey shows that the -------- of air pollution for residents is worse than expected.

2. Water and air pollution is a big problem -------- all over the world.

3. Once the manager of the engineering section-------- the new production plan, he will discuss it with other managers.

4. The cost of living has been -------- steadily for the last six months.

5. They started this new project -------- February 10th last year.

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