English MCQs, Prepositions MCQsI was astonished _____ his failure. Posted on April 22, 2021 by Rana Amir KhanA. In B. At C. On D. ForShare this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)