—Listen! There is a knock on the door. Who _____ it be?—It must be Jack. Just now I sent for him.
Keys should never be hidden around the house since thieves _____ know where to look.
The Department is also deeply _____ in various improvement schemes.
He was not _____ to the club because he wasn't a member.
He is a very honest official and never _____ any gifts from the people who sought his help.
Too many hotels have been built and this has _____ prices, making holidays cheaper.