on a---- at the police station, they were taken to an interview room.横线处填什么以a开头的单词啊

At the gate,Tom found a book ( ) on the ground i'm a teacher at the school on the corner IN ON AT THE in/on/at the morning in/on/at a nice morning 英语翻译Established in 1993,the Faculty of Policy Studies is the newest of Chuo University's faculties and brings together a diverse range of expertise.The Faculty offers a rich curriculum in liberal education with two areas of concentration:Poli I finish school ()three thirty ()the afternoon.A at in B in at C on at ()weekdays I always do my homework in the evening,but()the weekend I often watch TV.A.On;at B.In;at C.On;on D.At;on Mark the place---the map---a cross A.on,with B.on,at 英语翻译是at a farm 还是on the farm Connie arrived at the village on a snowy night the party ,on Sunday,began ,at 8 a.m. Connie arrived at the village on a snowy night 翻译 begin the lessons ____ a story (in/on/with at) the ants work ___groups.A on B in C at put the sunglasses ______ A.in B.at C.on （ ） the evening A In B At C On At the ball Nathalie had a diamond necklace on. when you feel of the world,don't shout of your voice.A.at the top:on the topB.on the top:at the topC.at the top:at top.D.on top:at the top