He is rather difficult to make friends with, but his friendship, _____ is more true than anyone else’s.
| A．Once gaining | B．Once gained | C．Once is gaining | D．Once he gained |
Keys should never be hidden around the house since thieves _____ know where to look.
| A．virtually | B．variously | C．unavoidably | D．invariably |
The Department is also deeply _____ in various improvement schemes.
| A．connected | B．included | C．involved | D．implied |
He was not _____ to the club because he wasn't a member.
| A．allowed | B．admitted | C．permitted | D．approved |
He is a very honest official and never _____ any gifts from the people who sought his help.
| A．accepted | B．received | C．took up | D．excepted |
Too many hotels have been built and this has _____ prices, making holidays cheaper.
| A．cut short | B．cut out | C．cut off | D．cut down |