MCQ Practice English 📖 PEAK : SUMMIT A elementary : advanced B gun : soldier C mutation : change D switch : current 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 PreviousPATRON : SUPPORT NextPHILATELIST : STAMPS