你的选项是不是抄错了?
我是这样填的：
there are many teachers in the world.they___impart their students knowledge.they love their students.when their students are __in___danger,they try their__best___to protect the students.on may 12th ,2008,a lot of students__were__in the earthquake.at the moment,they gave_chance___of life to their students.
老师传授学生知识；当学生陷入危险时,他们尽最大努力保护；2008年地震时,很多学生都陷入这场灾难,这时,他们把求生的机会给了学生.