24.　 First he bought some vegetables, then washed them and f________ cooked a delicious dinner.

23.　 Los Angeles h______ the Olympics in 1984.

22.　 It is polite for you to s_______ hands with them when you meet the visitors for the first time.

21.　 Scientists and experts from many different parts of the country have come to this n________ conference .

20.　 Doctors advised us to eat more _______ (花生) because it is good for our health.

19.　 The roads of wild animals in the forest _______ (使 感到恐惧) those travelers

18.　 They are afraid they can’t finish the task on time because the ___(最后期限) is drawing near.

17.　 The boy who used to be very ________ (调皮) now has become a film star.

16.　 The wild storm ________ (毁坏) lots of building and trees when it hit this area.

15.　 The ______ (群众)are the true makers of history.