双写末尾字母的动词ing形式

题目

双写末尾字母的动词ing形式
小学常见的单词（至少写十几个单词）

答案

begin–beginning
beg-begging
dig-digging
dip-dipping
drop-dropping
forget-forgetting
get – getting
hit-hitting
mop-mopping
nod-nodding
pat-patting
put–putting
run-running
swim-swimming
sit–sitting
win-winning
regret-regretting
set-setting
stop-stopping
一共19个,差不多够用了吧.