The following paragraph has not been edited. There is one error in each marked line. Write the error and its correction as shown in the example.

Error Correction

I went to the pool then no one e.g.                           then    when
was there. The place being quiet.                         a) ------   -------
A water was still, and the tiled                             b) -------  -------
bottom was so white and clean                            c) -------  -------
as a bathtub. I was timid for going in alone.         d) -------  -------