9．If hears are in _______________，they will attack people．(dangerous)

8．1 want you to remember the ____________ for school pasties．(rule)

7．Man walked on the moon for the ____________ time on July 20，1969．(one)

6．I'm good at ___________ (speak)

5．She said it was much _______________ if she did her own work．(good)

4．I think you are in good _______________．(health)

3．My best friend is ______________ than me．(popular)

2．The head of one of the ___________________ movie companies in the US predicted that no one want to sec actors talk．(big)

1．People will live to be 2oo ____________________ old．(year)

40．声音____________