Answer and explanation

Correct answer: B. will pass

  1. Step 1: A real possibility in the future uses "if + present simple, ... will + base verb".
  2. Step 2: The result clause takes "will pass".
Answer
will pass.
Why not the others: would pass, would have passed and passes do not fit here.

Practise more Grammatical Structure, Rhetoric and Reading Skills.

Free questions with an explanation for every one, and full timed Thanawiya Amma (Egypt) mock tests.