Look out the traffic when crossing the road.
It is strongly suggested that measures________factories to pour waste into rivers by the government.
Thinking________you know _________in fact you don’t is a terrible mistake.
In this lecture, I can only give you a purely_______view of how we can live life to the full and make some suggestions about the future.
is widely acknowledged that there is life, there is hope.
–Tom seems not so enthusiastic as he was two years ago.--Yes. He’s reached a point in his career_________ he has to decide what to do next.