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Every day,there are some childrento go home from school and openthe door with the key hanging(悬挂)around their necks.For reasons of safety(安全),many parents forbid(禁止)their chil-dren to go out to play or to have visitors athome.So the children will fe
Every day,there are some children to go home from school and open the door with the key hanging(吊)around their necks.For reasons of safety(Safe),many parents forbid(禁)their chil-dren to go out to play or to Have visitors athome.So the children will fe