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