—Who is Clarke? —_____ him yet? I saw you shaking hands with him at the meeting.
39. _______ is certain, people’s living conditions in China have improved a lot since the 1980s.
38. Li Ming, as well as some of his classmates, ______voluntary work now.
37.After _______ the area for three hours, the police found the truck near a river.
36. Pakistan does not _____ the possibility of a war starting with India, but promises to do everything it can to reduce tensions (紧张).
35. The ______ bodies _______ the world ______ mummies.