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Category - TOFEL English Test Study Questions

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Choose the answer which best rewords the italicized portion. If you think the original wording is best, choose option A.

Although water covers approximately sixty-seven percent of the Earth’s surface, less than three percent is fresh water.
  1. Earth’s surface, less than three percent
  2. Earth’s surface; less than three percent
  3. Earth’s surface: less than three percent
  4. Earth’s surface. Less than three percent
Explanation
Answer: A - The best choice is “Earth’s surface, less than three percent”

Commas can be used between with two dependent clauses such as the ones ending with “surface” and beginning with “less.” Colons, periods, and semicolons are inappropriate types of punctuation to use with this sentence.
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