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teacher
classroom
blackboard
desk
row
homework
science
book
bookstore
schoolbag
eraser
pen
ink
pencil
pencil-case
notebook
paper
question
answer
key
problem
notebook
maths
math
difference
number
no.
line
straight
round
side
count
active
test
grade
fail
company
board
assistant
accountant
office
fax
leave
computer
notebook
mouse
use
meeting
meet
board
stop
no
yes
want
idea
work
worker
empty
post
need
short
principal
salesman
salesperson
party
principal
example
way
how
chart
money
coin
farm
farmer
soil
plant
seed
hen
chicken
chick
cow
sheep
goat
lamb
donkey
pig
make
robot
engineer
factory
plant
fine
luck
Sister
spell
own
back
