MCQ Practice English 📖 PIPELINE : REFINERY A Artery : Blood B Oil : Gas C Telephone : Number D Vein : Heart 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 PreviousPILOT : STEER NextPREAMBLE : CONSTITUTION