Multiple choice

Directions: Choose an appropriate preposition to fill in the blank.

_________ you rush, you will miss the train.

  1. Unless

  2. Until

  3. Beside

  4. Till

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

Unless means "if not" and creates the right conditional relationship: if you don't rush, you'll miss the train. Until refers to time duration, not condition.