So difficult ______ it to work out the problem that I decided to ask Tom for advice.
Sandy could do nothing but___ to his teacher that he was wrong.
The manager, __ it clear to us that he didn’t agree with us, left the meeting room.
After some days, the boy adapted himself_____ up early every day.
I have many friends, ______ some are businessmen.
Tony was very unhappy for______ to the party.