_________the phenomenon of “bystander effect”in the Yueyue event, most Chinese strongly believe that there still exist love and warmth in people’s hearts.
— What made your skin look so terrible? — _______ to the sunlight for a long time.
Only after a baby seal is pushed into the sea by its mother _____ to swim.
As is well known, carelessness and irresponsibility _______ many deadly accidents.
They ___________ for two hours
Taiyuan,a city in North China,was struck by a heavy snowfall last week,________serious traffic problems.