問題 1選択式The amount of tax I have to pay this year is twice ( ) three years ago.as much asless thanmore thanso much as
問題 2選択式The population of the U.S. is roughly ( ) large as that of Japan.two and a half time astwo and a half times asas two and a half timeas two and a half times
問題 4選択式The online survey research is now in progress. Nearly ( ) of the participants have answered the survey so far.two thirdssecond threethree secondthirds two