B. Inserting Transition Words Read the article below and fill in the blanks with suitable transition words. Don't use the
same transition word twice!

Pollution Solution
, We can
For many years, human beings and businesses have been polluting the air and
water around us.
the world has become a very polluted place, and
global warming threatens our ability to survive on this planet._
still change this and protect our future. we have already polluted the earth too
much, there are several things that we can do to stop global warming.
, it is important to recycle the things that we use.
recycling requires our time and energy, it is necessary to