_______ many times , he still couldn’t understand it.
--- Can you show me Mr. Jaffer’s office, please? --- _____. But I don’t know if he is in at the moment.
–The floor is dirty. Can anyone clean it? –_____I do it all the time.
—Sorry, I made a mistake again. — ______. Practice more and you’ll succeed.
– Would you like to join us in the game? –_____, for I have something important to attend to.
-----Good evening. Huangshan Hotel. -----Good evening. ______________?