Multiple choice

Directions: Select the correct word or phrase to complete a grammatical and idiomatic sentence.

Not until a student has mastered algebra, ____ the principles of geometry, trigonometry and physics.

  1. he can begin to understand

  2. can he begin to understand

  3. he begins to understand

  4. begins to understand
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Can he begin to understand. With “not until”, we will use the modal “can”.

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