in the library 和on afternoon 哪个在前

in the library 和on afternoon 哪个在前 at the library和in the library有什么区别? He went to the library ()the information A.in B.at C.for D.on the students’ works ( ) in the library A on show B are on show C show D on display in、on、at什么时候加the?比如为什么in the library,不是in library Remeber to speak in a w__ as there is a library on the first floor Qinghai Library is ) the left of Xining Square.A.in B.on C.at D.∕ there are a library in the school red dictionary is the in a library I read a book about Dr Sun Yatsen at the school library()yesterday afternoon a:on b:in we have a book sale in the school library 对in the school library提问 对My sister is reading a newspaper in the library中的in the library提问 in the library还是at the library? we____talk in the library The library is on the The library in Beijing is open from 9a.m.to 5p.m.on Sundays.同义句要两句 In the library there are a lot of storybooks and picture books on all subjects,and many magazines.翻译 Could you get me some books on communication ( ) you are in the library A.whileB.sinceC.whenD.until