用put、read、buy、feel、sleep、spell、think、know、see、eat这十个单词各造十个现在完成时的句子.

(see):I have seen the movie.
(read):I have read this book.
(put):I have put away my toys.
(buy):I have bought a CD.
(feel):I have felt sad since my dog died.
(sleep):The baby has slept for an hour.
(spell):The word has been splet by the kid for two minutes.
(think):I have thought this problem for a week.
(know):They have known each other since they were kids.
(eat):She has eaten a lot of ice-cream since two o'clock.