题目内容：

根据句意，在答题卷相应的横线上，写出所给单词的适当形式。

1.Guangzhou is in the___________ (south) part of China.

2.The people on the plane have been____________(die) for over one month.

3.He is the _____________(ugly) man we have ever seen.

4.Which ______________(Europe) country would you like to travel to?