( )1. There will not be any paper money __ 100 years.
A. for B. in C. ago D. at
( )2. We must do something so that there will be __ pollution in our city.
A. more B. less C. fewer D. much
( )3.__ tourists visit Mount Tai every day.
A. Hundreds of B. Hundred of C. Hundred D. Several hundred
( )4. I argued __ my best friends.
A. with B. about C. at D. and
