1.①The problem is not so easy as you think.It is far from_being settled(settle).
②People expect that the talk will lead to the settlement(settle) to the problem.
③It was so noisy outside that he couldn’t settle down to doing(do) his homework.
2.①A good speaker is always trying to suit his speech to his audience.
②In my opinion, making a suitable(suit) timetable is necessary and important for us to make good use of our time.
③—I don’t want to go out with you tonight.
—Suit yourself(you).