teachers' room;the teachers'room.this is ()room,这里应该选哪个?

teachers' room;the teachers'room.this is ()room,这里应该选哪个? This is the teachers’ reading-room 求大神讲解this is the teachers' reading room；this is teachers' re There is ( )office opposite the teachers'room. The big room is our _______ office.应该填"teachers'"可为什么不填"teac This is room.要选哪个 There are two teachers in the room.One is old,the other is y the,are,in,computer,teachers,the,room 连成句子 How many teachers can you see in the meeting room? Where are our teachers?Are they in __?A.the room 809 B.Room this is my room ,that is the ___(twin) room There is ( ) in the room. 应该填哪个?为什么?