【正文】
your teacher if you see a classmate in trouble. 如果看見你的同學(xué)有麻煩,告訴你的老師。 She shouldn39。s bad for your eyes. Don39。ll fall down. Don39。ll be dangerous. Don39。ll be dangerous. Don39。s bad for your health(健康) . Don39。s too dangerous. Don39。t 不 應(yīng)該 He shouldn39。 Don39。 hour 小時(shí) during school hours 上學(xué)期間 without 沒有 Don39。t walk a dog in the park. 她 不應(yīng)該在公園里遛狗。t ___________ ______