题目内容：

根据句意，在答题卡标有题号的横线上，写出括号内所给单词的适当形式。

1.He is selfish. Though I have lent him much money, he seemed never ______ (满足的).

2.Millie’s car crashed into a tree yesterday, now she is still under ______ (治疗).

3.Compared with the new buildings, the old ones seem even _______. (丑陋)

4.Nobody is in the school. The students have ______(或许) gone for a school trip.