run-running
walk-walking
swim-swimming
clean-cleaning
sing-singing
dance-dancing
paint-painting
draw-drawing
listen-listening
learn-learning
write-writing
read-reading
ask-asking
answer-answering
look-looking
speak-speaking
say-saying
tell-telling
talk-talking
think-thinking
do-doing
teach-teaching
see-seeing
spell-spelling
共25个120%对,我们老师讲过.