—Guess what! I came across an old friend at the party last night.—________ I’m sure you had a wonderful time.
— Beijing or Shanghai? What did you mean? — We were talking about _______ go to college.
When he was a boy, he used to go there and watched _______.
Robert is said______ abroad, but I do not know what country he studied in.
Beijing was attacked by such a terrible sandstorm ______few citizens had ever experienced before.
The country life he was used to______greatly since the opening policy.