Multiple choice

He burst ......... laughing.

  1. into

  2. out

  3. up

  4. in

  5. on
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Burst out laughing is an idiomatic expression meaning to suddenly start laughing. The correct preposition is 'out' - you burst out laughing, just like you burst out crying or burst out singing. This is a fixed phrase in English.

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