英语填空In our school,the students from higher grades t_____ tur

英语填空
In our school,the students from higher grades t_____ turn to be traffic guards.They h_____ the students to get safely a_____ the busy road in front of the school.Of course,they have to k____ the traffic rules.
Today is my t____ for the morning traffic d____.I leave home for school an hour earlier than usual(比往常早）.I wear my brightly - colored armband（臂章）,and____ at the crosswalk.When several students are w____ to cross the road,I hold out my yellow flag.the trucks,cars and bikes s____.The boys and girls cross safely.
It is a b____ responsibility(责任）to be on traffic duty,but I like it.