-Clearly,: His expression was clearly displeased.
-Obviously,:Obviously he did realize the consequences of his actions.
-Personally,:Personally, I like it best too, and I think it's the best bargain.
-Strangely,:The voice was strangely timid.
-Unfortunately,:Unfortunately, this session was unsuccessful.
-Such as: Citrus fruits , such as oranges and grapefruits
-Like:Only a couple of places could do something like this.
-For example,:In the same sense as, for example being buried alive.
-For instance,: For instance, Julius Caesar and Alexander the Great.