将题后的单词转换为适当的词性，填入空格内：

1 The of yellow and blue form green.

combine

2 The store is in an ideal to draw tourists.

situate

3 The thief’s of guilt closed the case.

confess

4 There is no between the nations.

relate

5 He had a long telephone .

converse

答案：1 combination

2 situation

3 confession

4 relation

5 conversation