英文關鍵字
answering
asking
boy
caucasian
child
children
class
classroom
discussing
draw
education
eight
elementary
engage
friends
hands
happy
indoors
learning
lesson
listening
literacy
mixed
people
person
practice
primary
pupil
question
race
raised
reading
school
schoolchildren
seven
sitting
smiling
story
student
talking
teaching
together
twenties
year