I am confused with how to use "is" and "are" with locations.
Which is correct?
a)Library and lecture room is crowded. b)Library and Lecture room are crowded.
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If it's a single room that is a library room and a lecture room at the same time and it's called "Library and lecture room", then
If these are two different rooms, one called "Library room" and the other "Lecture room", then
If the library is crowded and the lecture room is crowded, then