Question

---Can you see some people are waiting _______ the library?
---Yes, They are standing in a queue in front of its gate.
A. around         B. inside            C. outside

Answer 1

C

考查介词。根据答语的意思他们正排成一队站在门口的前面，可推断出人们是站在图书馆外面，所以应用介词outside，选C。