Answer the following question, with explanation first.
All the kooky kids enjoyed each other's company, to them their behavior was perfectly what?\nOptions:\n- ordinary\n- straight\n- normal\n- cool\n- mainstream

normal
Kooky means strange or eccentric.

Normal means confirming to a standard, usual, typical or expected.

All the kooky kids enjoyed each other's company, to them their behaviour was perfectly normal.

.

Therefore, the answer is normal