问题详情：
根据句意，在横线上，写出括号内所给单词的适当形式。
1. My cousin likes reading. He is thought to be a boy of __________(wise).
2. I think it’s one of the most __________ (value) books.
3. All the teachers in the school are trying to make their lesson_________(live) and interesting.
4. It was raining hard when the several ____________(Germany) arrived at the airport.
【回答】
1. wisdom able 3. lively 4. Germans
知识点：构词法
题型：完成句子
