lie in at an end instead of be proud of

lie in   at an end   instead of   be proud of   die from    prepare for    think....of

He went to do the experiment ________________________seeing the film yesterday.
His mother __________________________his success in the mid-term exam.
He always __________________more ______________others but less of himself.
Last year his dad ___________________a falling tree while riding, leaving him as an orphan.
Thank God! The hard work is _______________________.