John Snow became inspired when he thought about helping ordinary people Cholera.
New traffic rules that took effect on January l, 2013 are much stricter than ________ in the past.
With alcohol and drugs _______ out of their life, the post-1990s young people now tend to develop healthier hobbies.
The speaker mentioned many examples people lived through hard times and succeeded at last.
the instructions on the packet when you take the drug and the drug, I think, will work soon.
A completely new situation will ______ when the examination system comes into existence.