from different angles, the picture doesn’t look the same.

If water becomes increasingly scarce in decades ______, water shortage will become a hot issue all over the world.

The story is moving, and the questions, I suppose, are not so difficult as they appear ______.

Most of us manage our physical health better than our emotional health, ______ problems to cause real harm.

The secretary worked late into the night, ______ a long speech for the president.

That's the best way to ________ into the dangerous area.

The site ______ now is a park, which will be open to the public at the end of this year.

____ volcanoes now for many years, I am still amazed at their beauty as well as their potential to cause great damage.