MCQ Practice English 📖 Correct the sentence. A None of the above B The thickness of the book vary C The thickness of the books varies D The thickness of the books vary 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 PreviousChoose the correct sentence. NextEach man and woman of the village ------ participated in the project.