MCQ Practice English 📖 They---- the pond for a month A are digging B dig C had dug D have been digging Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up PreviousThey asked me what I have taken for breakfast-- NextThey treated me --- I were a child.