模仿下列词写出下列动词的变化形式 do-doing-does-did-done(英语）
pack
leave
cut
know
ask
type
look
have
go
shop
call
climb
ski
fly
求大神解答 谢谢!急
pack- picking -packs -packed-packedleave- leaving - leaves - left - leftcut- cutting - cuts - cut - cut know- knowing - knows - knew - knownask- asking - asks - asked - asked type- typing - types - ty...
