October n.十月
of course 当然
off prep.离开,走开
office n.办公室
often adv.通常,常常
offer vt.提供
old adj.老的,旧的
on prep.在,在……之上,关于
once adv.一次,从前
one pron.某个人,某物
only adv.仅仅,只
open vt.adj.打开开着的
opera n.歌剧
operate vi.& vt.手术；运转
operation n.手术,操作
no 不是
not 不是
dog 狗
how 怎样
bow
cop
cow
dog
dot
for
fox
god
how
job
lot
not
son
boy
box
hot
log
boy
jog
top
toy
son
hot
pot
fog
not
sol
joy
box
...