2008 was a great year，since when itgreat changes in China

It is reported that most of the people who have AIDS or who are________ drugs used to be wealthy.

Frank, with his two sisters, _____London by train which _____at 8:30 next morning

Much of the power of the trade unions has been lost ____, their political influence should be very great[ ]

The conference aims to develop business and let people think about _____ they can have apositive influence on the planet．