20s
30s
40s
60s
africanamerican
aged
american
argentinian
boy
brazilian
caucasian
class
classroom
communication
conversation
course
different
education
english
european
female
foreign
french
girl
group
hispanic
indoors
information
international
knowledge
language
latina
learn
lesson
mature
person
positive
school
senior
smiling
speak
student
study
talking
teacher
teamwork
vocabulary
woman