Multiple choice

If you watch television, you can learn many things. (simple)

  1. Without watching television you can learn many things.

  2. By watching television you can't learn many things.

  3. By watching television you can learn many things.

  4. Without watching television you can hardly learn many things.

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The original sentence establishes a positive condition. Option C correctly uses the prepositional phrase 'By watching' to maintain the meaning that television facilitates learning.