Here's a list of rentals and sublets advertised on a bus stop near Dongzhimen. For the purpose of reporting your answers, assume they're numbered from top to bottom. You may need to get Googling.
1) You can't afford a place all to yourself, but you absolutely have to have your own bathroom.
2) You work at Oriental Kenzo - which of these is nearest?
3) Which of these would be most likely to get good light?
4) The sublets mention two types of 间 - what are they, and what's the difference.