They run for office every two or four years.
They are held every four years.
英语翻译they are both held every four years
They stayed in Beijing for two years.
They have study English for four years.有什么错
They run every morning.
They usually ()(run)for half an hour every morning.
they usually _____(run) for half an hour every morning
every four years代表什么
every four years等于three?
every four years什么意思?
for two or one year(years)哪个对,why
BE HELD EVERY 4 YEARS be held once for four years