问题描述：
In our school,the students from higher grades t_____ turns to be traffic guards.They h_____ the students to get safely a_____ thebusy road in front of the school.Of course,they have to know the traffic rules.
today is my t_____ for the morning traffc d_____.I leave home for school an hour earlier than usual.I wear my brightly-colored armband,and s_____ 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 to be on traffic duty,but Ilike it.
today is my t_____ for the morning traffc d_____.I leave home for school an hour earlier than usual.I wear my brightly-colored armband,and s_____ 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 to be on traffic duty,but Ilike it.
问题解答：
我来补答展开全文阅读