The library is on the classroom building left 这句话对吗求求。为什么有人说这样不对呢？

The library is on the IS the library on the secod floor?是 where is the library?Is the library open now?what time si it?when is the library open?什么 意思？ Is the library on Fifth Avenue.改为否定句The library（ ）（ ）on Fifth Avenue. street,left,the,on,down,library,the,is,the the library is on the __________(nine) floor The　library　is　on　the______(two）floor Is the library on Fifth Avenue?(作否定回答） 高中英语改错题.you can get your library card in the teacher reading -room ,mhich is on the second floor3.his hairs looked disordered,with some gray hair on his forehead.you can get your library card in the teacher reading -room ,which is on th The snow on the ground is one foot th--- Where is the library? Where is the library? Thanksgiving Day is on the 4th Thursday of November It is at the morning on jan.10th The English s___ contest is on May 10th. the post office is on our school left .the library is on our school right.(同义句）our school is _____ the post office ____ the library. where is the art room22.---is this the library?---it's on the second floor. 英语翻译My SchoolMy school is very beautiful.It is Nanhai Experimental School.There are three tall buildings in our school.They all have five floors.In the teaching building,the P.E.room is on the first floor.The library is on the second floor.Th The school library is ___(crowd) with students oThe school library is ___(crowd) with students on weekends.