求下列每组数的最大公因数.18和24 20和25 .
The smart boy can find Beijing easily on the of China.
I want to be a teacher like Zhang Guimei when I grow .
When it comes to my birthdays,I would like to invite my friends (watch) a movie.
Chinese scientist Yuan Longping,renowned for developing the first hybird rice strain,died of organ failure at 91 May 22th,2021.
﹣﹣﹣﹣Oh,my god! is Wang Feng now?The football match is starting soon.
﹣﹣﹣He may be in the library.He often reads at this time.