上课保持安静的英文祈使句 1. Please be quiet in class. 2. Keep the noise down, please. 3. Silence, please. 4. Let's have a quiet classroom. 5. Don't disturb others, be quiet. 6. Quiet please, class is in session. 7. Please refrain from talking during lessons. 8. Please respect the learning environment by remaining quiet. 9. Please remain silent while the teacher is speaking. 10. Focus on learning and stay quiet, please. 本文来源：https://www.wddqw.com/doc/09793a4c7075a417866fb84ae45c3b3567ecdde0.html