1 . 正是他的决心使他取得了成功。
It was ________ ________ that led to his success.

2 . 令我们感到欣慰的是，失踪的孩子十天后回到了家。他虽然很累，但很健康。
________ ________ ________，the missing child returned home ten days later, tired but healthy.