Choose the suitable phrasal verb for each definition.

Choose the correct option.

To respect someone — to [look back|look down on|look up to|look out]

To disrespect someone — to [look back|look down on|look up to|look out]

To be careful — to [look back|look down on|look up to|look out]

To think about the past — to [look back|look down on|look up to|look out]