昨天，我同事的母亲因心脏病突发去世了,她悲痛欲绝。因为前一天她母亲还在给她做美味的红烧鱼，跟她讨论电视里的情节。My officemate was very sad  ，because her  mother passed away of a heart attack at yesterday 。The day before yesterday her mother still  cooked a delicious fish for her and talked about TV program with her。