is duty the on policeman怎么连词成句

is duty the on policeman怎么连词成句 Look,a policeman is on duty ________(不远处) 怎么 is a he policeman 连词成句 the,the,is,right,zoo,on 怎么连词成句 连词成句 turn it to is duty on my today be on is the his table bag怎么连词成句 连词成句:help,the,the,policeman,old man,is,going,to to,is,our,it,duty,protect,environment,the,连词成句 a policeman is outside there the shopping centre .连词成句 pencil the is under on the the floor table 怎么 连词成句 liet,it,is,bookstore,the,on,of,the.要怎么连词成句 floor is the on restaurant the second 连词成句