Have any of your teachers ever been astonished ___ your test results?

  1. from

  2. at

  3. for

  4. of


Correct Option: B
Explanation:

To solve this question, the user needs to know the correct preposition that should be used to complete the sentence.

The verb "astonished" is usually followed by the preposition "at". Therefore, the correct option is:

The Answer is: C. at

Explanation: A. "of" is incorrect because astonished is not followed by "of". B. "from" is incorrect because astonished is not followed by "from". C. "at" is correct because astonished is usually followed by "at". D. "for" is incorrect because astonished is not followed by "for".

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