31．Dinosaurs have completely died out on the earth，never _______ again．

A．to be seen　　 　　　　　　　　　　　　　　　　　　　　　 B．being seen

C．seen 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 D．having been seen

30．A growing anxiety is disturbing the public _______ the economy will continuously decline．

A．which　　 　　　　　　　 B．that　　 　　　　　　　　 C．why 　　　　　　　　　　　　　　 D．whether

29．Safety in schools has been of great concern because of frequent reports about accidents _______ students got injured or killed while in school．

A．in which　　 　　　　　 B．for which　　 　　　　 C．which 　　　　　　　　　 D．when

28．My mother is a great cook and we _______ never get enough of her cookies．

A．may　　 　　　　　　　　 B．need　　 　　　　　　　　 C．should 　　　　　　　　　 D．can

27．I was _______ lost in the play last night．There was nothing like it．

A．thoroughly　　 　　　 B．partly　　 　　　　　　　 C．apparently 　　　　　　 D．hardly

26．Mr. Brown thought it would be a good idea to have _______ from his workers to improve his plan．

A．summaries　　 　　　 B．enquires　　　　　　　　　 C．comments 　　　　　　 D．connections

25．And the horses _______ up to the finish line．They're neck and neck…neck and neck all the way．Oh and the Italian horse Mamma Mia _______ the race!

A．come；is winning　　 　　　　　　　　　　　　　　　　 B．have come；wins

C．are coming；won 　　　　　　　　　　　　　　　　　　 D．are coming；wins

24．_______ having some money does add to our sense of happiness，having too much money does not．

A．While　　　　　　　　　　 B．When　　 　　　　　　　 C．As 　　　　　　　　　　　　 D．Until

23．--Let's do something different．

-- _______ How about tennis?

A．So what?　　 　　　　 B．All right．　　　　 C．Who cares?　　　　　　 D．It depends．

22．The couple _______ last year．They had lived together for twenty years，though．

A．broke out　　 　　　　 B．broke away　　 　　　 C．broke up 　　　　　　　 D．broke down