问题描述：
Last Monday when I stepped into my classroom .Then ________
my classmate told us that our class teacher,Mr.Sun,had been______
killed in a traffic accident.On this news,I couldn"t believe my_______
ears or accept the fact until the headmaster came to tell us the _______
truth.My eyes were filled with tear.It seemed so unbelievable_________
because he gives us lessons on Monday morning .Mr.Sun was _______
a middle-aged year teacher.He was full of sense of humor.______
We all liked him very much because his excellent teaching.________
His lessons were both lovely and interesting.So we all liked________
to attend his class.He was an experienced teacher._________
my classmate told us that our class teacher,Mr.Sun,had been______
killed in a traffic accident.On this news,I couldn"t believe my_______
ears or accept the fact until the headmaster came to tell us the _______
truth.My eyes were filled with tear.It seemed so unbelievable_________
because he gives us lessons on Monday morning .Mr.Sun was _______
a middle-aged year teacher.He was full of sense of humor.______
We all liked him very much because his excellent teaching.________
His lessons were both lovely and interesting.So we all liked________
to attend his class.He was an experienced teacher._________
问题解答：
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