English MCQs, Idioms MCQsHe is busy with his work ______________? Posted on April 20, 2021 by Rana Amir KhanA. inns and out B. up to neck C. up to the hilt D. kith and kinShare 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)