Multiple choice

Directions: Correct the error (if any) for the underlined part of the following sentence. If there is no error then choose option 4.

Your results depend not only on how much you have studied but how long you have read.

  1. but also how long

  2. but also on how long

  3. but also on how much long

  4. No improvement needed
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Error of sentence formation. Coordinative conjunction 'not only' is always followed by 'but also'. Moerover, for the sake of parallelism, preposition  'on' needs to be inserted.

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