Do you walk to school every day—I used to walk, but now I ride to school _______ walking.

24．One recent prediction is that within the next 50 years, it ______ possible to link the human brain directly with a computer

7．John’s ability to learn from observations and experience_______greatly to his success in public life

_______ you get on well with a number of people, you are usually friends with only a few .

minute, __________