1-it was for that he had seen in the war that golding wrote lord of the flies
2- jack`s boys seemed so aggressive and frightened with their faces painted in black

1- that --------- which
2- frightened ---------frightening

that.................what
frightened ................frightening

1- that
which
2- frightened معناها خائف
Frightening لان دي معناها مخيف