1,We should turn off the lights when going out to save__electrically___(ELECTRIC)
2, There was no__ explanation ____ for his absence from class yesterday (EXPLAIN)
3, Designer have__modernized__ the Ao Dai for ages(MODERN)
4,They started their trip on a beautiful_sunny__ morning (SUN)
5, People who exercise __ regularly__ are less likely to feel stresse(REGULAR)