We all __________how he made such great progress in a short time.
--Could I borrow your bike, please?-- _____________.
– The East Lake is not far from the Yellow Crane Tower, so you can easily visit _________ in a day.-- Fantastic! I can’t wait for it.
– I hear Tom is leaving.-- ____________ why?
– Where are the flowers?-- You see, someone _________ them to the window.
– A nice car! Is it yours?-- No, it isn’t. I __________ it from a friend of mine two days ago.