Complete the second sentence in each pair so that st has the similar meaning to the first sentence. Use NO MORE THAN FOUR WORDS. The number of polluted lakes and rivers has increased considerably over the last 10 years. → There has been____________________the number of polluted lakes and rivers over the last 10 years.

Complete the second sentence in each pair so that st has the similar meaning to the first sentence. Use NO MORE THAN FOUR WORDS.

The number of polluted lakes and rivers has increased considerably over the last 10 years.

→ There has been____________________the number of polluted lakes and rivers over the last 10 years.