题目内容：

根据下列句子所给汉语意思，写出空缺处各单词的正确形式：

1.Earthquakes are _________(极端) difficult to predict.

2.He looked shocked, and then burst into _________(笑)

3.A crowd of 300 supporters warmly ________(鼓掌) her speech last night.

4.The sun had ______(使… 褪色) the curtains.

5.The heat and the whisky made him feel _______(眩晕) .