题目内容：

根据句意及汉语提示，写出单词的正确形式。

1.Millie came _______( two ) in the English exam.

2.Jack is travelling to some _______(west) countries with his family.

3. It’s _______(danger) for the children to play football in the street.

4.Mr. Williams is an _______( art ). He lives in the capital city of England.