Multiple choice general knowledge

How long did you study last night?

  1. With Bob.

  2. In my room.

  3. English.

  4. For three hours.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The question 'How long' asks about duration or time span, so the answer must specify a period of time. 'For three hours' (option D) correctly indicates duration using the preposition 'for'. Options A, B, and C answer different questions - 'With whom' (Bob), 'Where' (in my room), and 'What subject' (English) respectively.

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