THE ENVIRONMENTAL POLLUTION LEVEL IN THIS AREA HAS BUILT UP A LOT O...

Question

8. The environmental pollution level in this area has built up a lot over recent years. A. increased   B. decreased    C. blocked        D. concentrated

Answer

8. The environmental pollution level in this area has built up a lot over recent years. A. increased   B. decreased    C. blocked        D. concentrated

THE ENVIRONMENTAL POLLUTION LEVEL IN THIS AREA HAS BUILT UP A LOT O...

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