MCQ Practice English 📖 If we want concrete proof, we are looking for- A a cement mixer B building meterial C clear evidence D something to cover a path 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 PreviousIf we want concrete proof, we are looking for - NextIf you do not save money when you are young, you might become - in your old age.