Direct and Indirect Objects

Direct object
The direct object tells us who or what receives the action of the verb.

Example
I wrote an essay
eassay = direct object

Indirect object

An indirect object tells us to whom or for whom an action is done. A sentence with an indirect object must also contain a direct object.

Example

My father bought me a lovely present

me = indirect object ; present = direct object

Online exercise direct and indirect objects

http://www.education.com/study-help/article/direct-indirect-objects_answer/