My table contains two column with the following records

Subj_code Description
======== ==========
MAT_101 This is
MAT_101 Basic Mathmatics
MAT_101 for beginners.
MAT_102 This is
MAT-102 Science for Engineers

I need the following output with the Single Select statement(Adding Description Group by Subj_code)

Subj_Code Description
======= =========
MAT_101 This is Basic Mathmatics for beginners
MAT_102 This is Science for Engineers

Can anyone help me for the above grouping of string values?