1. Many mothers and fathers were thankful for news of their missing sons first brought to them by the Red Cross.
    许多父母非常感激红十字会最先给他们带来了下落不明的儿子的消息。

2. One evening, however, the lamb was missing. .
    可是，有一天晚上小羊不见了。

3. One evening, however, the lamb was missing.
    可是，一天晚上，那只小羔羊失踪了。

4. Its missing head happened to be among remains of the fifth century B. C.
    而她那身异处的脑袋却碰巧是在公元前5世纪的文物中找到的。

5. I knew my sadness came not only from missing my family, but also from the frustration of being unable to learn.
    我知道我的难受不仅仅是因为想念家，而且是因为自己无法集中精力学习而感到的沮丧。

6. I don't feel I am missing out on anything by not being at school because I am a member of various clubs and have friends who attend normal school."
    我不觉得自己会因为不上学而失去什么，因为我是多个俱乐部的成员，还有许多在上正规学校的朋友。”