题目内容：

meet look excuse thank do spell call lost found know take bring need have let play sound watch
帮忙变三单和ing形式,
以上动词

优质解答

meets meetinglooks looking excuses excusingthanks thanking does doing spells spellingcalls callinglosts losingfounds founding know konwing takes takingbrings bringingneeds needinghas havinglets lettin...