One of the things the school tries to advocate is          pupils need to learn more about the best ways to find out questions．

1. A.
   when
2. B.
   how
3. C.
   that
4. D.
   what

One of the things the school tries to advocate is          pupils need to learn more about the best ways to find out questions．

    A．when                        B．how                          C．that                     D．what

One of the things the school tries to advocate is          pupils need to learn more about the best ways to find out questions．