将下列词语正确地搭配起来。
脸色    表白      打断      界限     飞快      清晰
争论    心愿      严肃      思路      闪过     激烈
（1）                                                         
（2）                                                         
（3）                                                         
（4）                                                         
（5）                                                         
（6）