1)If my friend lets me down, I'll forgive her. (Сомневаюсь в ответе)
2)If my friend needs my help, I'll do my best to help.
3)If my friend phones me at 6 o'clock in the morning, I'll listen for what she will tell, because my friend don't call me so early withiut any significant reason.
4)If my friend spends the weekend with other friends, I'll do the same.
5)If my friend is angry with me and I'm guilty, after a while I'll admit my guilt.
6)If my friend has a problem with Maths, I'll try to explain her how to understand it.
7) If my friend leaves my school, I'll phone her or write.