MCQ Practice English 📖 It is who -- to blame বাক্যের শূণ্যস্থানে সঠিক শব্দ বসবে- A are B has C is D was 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 Previous"it is time to review the 'protocol' on testing nuclear weapons".here the 'protocol' word means--- NextIt 's impolite to break --- when some one else is talking.