how can i keep calm?i am a student in a middle school.these days,several murderers aim to the students in schools.this makes me so frightened,how can I keep calm?

how can i keep calm?i am a student in a middle school.these days,several murderers aim to the students in schools.this makes me so frightened,how can I keep calm? How can I control myself.I can't calm myself How do I control myself?I can't calm 英语翻译How long can I keep ……? How long can I keep this book?是什么意思 if you forget.how can i keep it how can i keep a heart怎么翻译? 翻译 How long can I keep the instrument? 求 enya《how can i keep from singing》中文歌词? I need to keep calm at any time. 是什么意思 How long can i keep them 中keep能换成borrow吗 为什么 Could you tell me how long I can keep the book.为什么用I can keep calm and carry keep calm and carry keep calm and carry keep calm and carry keep calm and carry keep calm and bake