Look,a policeman is on duty ________(不远处) 怎么

Look,a policeman is on duty ________(不远处) 怎么 is duty the on policeman怎么连词成句 _____lily______?A.Is,on duty B.Dose,on duty who is on duty today怎么回答 is on duty today look over ,around the corner is walking a policeman Mr Lee is a policeman.怎么翻译 At the news,there is a ________ (surprise) look on her face. Lucy is on duty today.Look!She is c______ the blackboard 问:空 A man on his right is a policeman 有错么? ____is on duty today?Li Lei is.怎么填? whose turn is it ________(be)on duty today?以及填空的原因