求双写最后一个单词的过去式20个

如题所述

第1个回答  2016-05-28
prefer- preferred

whip-whipped

beg-begged

drip-dripped
dot-dotted

drop-dropped
fit-fitted
hug-hugged
plan-planned
pat-patted
rid-ridded
rob-robbed
rebet-rebetted
regret-regretted
stop-stopped
stir-stirred
rub-rubbed

travel-travel(l)ed本回答被提问者采纳
第2个回答  2016-05-28
smiming