根据句意及汉语或首字母提示,填写恰当的单词.

1. I wish our __________(友谊) could last long.

2. Yesterday, we found their house __________(容易地) enough.

3. Though the time is short, he told us a _________(完整的) story.

4. You must believe in yourself. That's the s           of success.

5. The poor woman l           both his sons in the earthquake.