What are teenagers into and what turns them off? A(n)     1     questionnaire (调查问卷) asked 1,000 senior high school students about their likes and dislikes. According to the results, taking exams and speaking in front of others are among the least popular activities for today’s     2    . Many students like to     3     interesting topics with their classmates but feel     4     or uncomfortable when they have to give a speech in class. Nearly half of the teenagers think that their     5     are too busy. They wish they had not signed up for so many courses and extra-curricular activities.