options

[Antonella25]

Hello!
In these sentences: 'Now a new, modern library has been built in Alexandria, at a ........... of $ 120m.'
I have as answers: a)price b)cost c)worth d)charge
and "It has a vast reading area seating 2,000 people, and ..............in the library for eight million books."
I have as answers:a) room b)place c) volume d)extent
I really don't know which the corret answer could be!
Thank you for your time!

[Waiyin Cheng]

I would choose
b) At a cost of $ 120 m
b) and place in the library for eight million books

anyway, I am not so sure about the second answer . The first one , I'm pretty sure. :)

[Dozy]

In fact, the second answer should be "room".