I found answer in the book.
Palabras clave
adult,
african,
african american,
afro,
american,
bar,
bond,
cafes,
cheerful,
college,
discussion,
education,
ethnicity,
female,
friends,
friendship,
fun,
girl,
happy,
indoor,
learn,
learning,
lifestyle,
paper,
plan,
planning,
project,
school,
smiling,
student,
student,
study,
studying,
talking,
teamwork,
three people,
togetherness,
university,
woman,
working,
writing,
young
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