– Do you know the West Lake in Hangzhou?– Yes, this is the third time that I ____ this beautiful city.
Human beings are different from animals _____ they can use language as a tool to communicate.
The house prices fell sharply at the end of last year, but ______ at the beginning of this year.
Sam has been appointed_____ manager of the engineering department to take _____ place of George.
.一You really appreciate John Lenon’s performances, don’t you? 一______ I just like his soft voice.
—Did you give your father _______? —Yes ,I advise he _______smoke .