— to the USA? — No, never, but I went to Canada last year.A. Have you beenB. Have you goneC. Did you go
—When are you leaving?—I'm leaving_______.
There are many_____ between the two pictures.
---_______ do you have an English party? ---Once a month
---What did Mary say just now? ---She asked me ________
Li Yundi is one of _____ pianists in China now and he showed up at the 2012 Spring festival Gala.