MCQ Practice English 📖 One of the boys - present. A are B have been C was D were 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 PreviousOf the four alternatives given below, choose the word/words that best fits into the underlined word given in the sentence: 'O... NextOne of the crucial - traffic jam.