一个超简单的英语问题……（巨额奖励～～）

teacher-teacher
paint-painter
violin-violinist
piano-pianist
run-runner
draw-drawer
art-artist
jog-jogger
kick-kicker
strange-stranger
swim-swimmer
play-player
manage-manager
jump-jumper
science-scientist
biology-biologist
pharmacy-pharmacist
chemistry-chemist
guitar-guitarist
write-writer
singe-singer
drive-driver
dance-dancer
consume-consumer
use-user
wash-washer
rob-robber
kill-killer
visit-visitor

这实在是太多了，写也写不完～～累啊～～

write--writer sing---singer drive-----driver
ride---rider read----reader dance----dancer
use---user conduct---conductor consume---consumer
paint----paintor draw---drawer play---player

wash_washer farm-famer ride-rider dance_dancer visit-visitor

paint-painter.sing-singer.write-writer.work-worker.choose-chooser.dance-dancer.drive-driver.run-runner.act-acter.kill-killer.rob-