The couple tried every effort to the judges, who tried the cases, of their innocence (清白) only in the contrary.
I can ___him to you for the job. He is a very good worker.
The police _____ searching for a tall dark man with a beard. Till now more than one person _____ suspected.
I’m sure your suggestion will____the problem.
Peter is my close friend, who can be _______ what he promises.
The dog was _____its owner’s luggage, so nobody could get it.