II. Choose the right word for each sentence:
1) Americans left their country for unknown world. They were risk-takers / willingness to experiment / toughness.
2) They like growing fruits and vegetables. They have mobility / love of gardening / friendliness / hospitality indeed.
3) I can wait for a long time. You know that I am formal / patient / tough with everybody.
4) John can speak all day long. He is so self-reliant / self-confident / communicative.
5) She has good manners. She is really cautious / polite / submissive.