Multiple choice

Directions: From the given options choose the correct modal and complete the sentence.

Be careful lest you ____________ fall.

  1. could

  2. would

  3. might

  4. should
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The conjunction 'lest' is followed by the modal 'should' to express a negative purpose or fear. It is a standard grammatical construction in English.

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