---As a boy, he made up his mind to be a scientist.
---And from then on, he kept on trying. So he________ in the end.
--Where is Betty? I haven't seen her for days.
--She________ Yellowstone Park with her family.
---________is it?
---It is Augustfifteenth.
---_______?
---I’m ten.
---________ are you so late?
---I got up late.
---Does she like apples?
---________.
---How was your climbing on Mount Tai?
---I didn't believe I could do it ________ I got to the top.