Complex sentence: Marymount became a four-year college in 1973, added master's degree programs in 1979, and its first doctoral program, the clinical Doctor of Physical Therapy, in 2005.
Split into simpler sentences: Marymount became a four-year college in 1973. It added master's degree programs in 1979, and its first doctoral program, the clinical Doctor of Physical Therapy, in 2005.