(2012·衡阳高二检测) People often have the belief _______ a healthy environment and development cannot be possible at the same time, but this does not have to be true.
Only when I left my parents ________ how much I loved them.
Dina, ________ for months to find a job as a waitress, finally took a position at a local restaurant.
According to the statistics, young drivers are more ________ to have accidents than older drivers.
________, the northerners like noodles while the southerners are fond of rice in China.
Yesterday, I met my old friend ________, which gave me a big surprise.