近年来,食品质量安全问题频出。“塑化剂”“速生鸡”等事件表明市场调节具有
Cell phones are now widely used, _______possible for us to talk to anyone from almost anywhere.
. The prisoner _____ to escape from the prison. But he couldn’t find anybody to help him.
. We’re too busy _____ a long vacation this summer, ______ the fact that we can’t afford it.
There were so many people shopping in the mall that we _______ soon after we entered it.
It was only when I reread his poems recently _______ I began to appreciate their beauty.