
answer - answeredstudy - studiedlisten - listenedagree - agreedborrow - borrowedreturn - returnedworry - worriedlove - lovedcarry - carried读 [t]look - lookedask - askedwalk - walkedwatch - watched

answer - answeredstudy - studiedlisten - listenedagree - agreedborrow - borrowedreturn - returnedworry - worriedlove - lovedcarry - carried读 [t]look - lookedask - askedwalk - walkedwatch - watched