I
To impress -> impression -> impressed
To pray -> prayer -> prayerful
To divide -> division -> divisional
To separate -> separation -> separated
Friendliness/ friendship -> friendly
Religion -> religious
To instruct -> instruction -> instructive
Option -> optional
II
1, impression
2, instruction
3, divided
4, friendless
5, separation
6, religion
7, prayer
8, optional
III
1, atmosphere
2, prays
3, keep in touch
4, impressed
5, correspond
6, ASEAN
7, comprise
8, compulsory
