英文關鍵字
answer
answering
ask
background
caucasian
childhood
children
class
classroom
copy
demonstrate
education
empty
exam
explain
face
female
girl
give
hand
homework
justify
learn
lecture
lesson
pass
people
person
point
presentation
primary
problem
question
read
reply
room
school
schoolgirl
show
solving
space
stand
student
study
tell
test
theme
woman
work
write