—Recent pressure at work may ______ his behavior.
97. When he was in America, he made a journey of seven hundred miles _____ purpose to get a glimpse of the Niagara Falls.
96. It is reported that the thirty-ninth president of America Jimmy Carter has won the Nobel Prize _____ peace in the year of 2002.
95. The scooter(滑板车) has been popular _______ a lot of children since the year before last.
94. If you don’t believe me, you’d better go to have a look at it _____ person.
93. The diligent student refused the help of others and insisted on working out the difficult maths problem _____.