题目内容：

 

1.They are busy _________  ________  ________(准备)the wedding.

2.He ______  ________   ___________(惭愧)having lied to his mum

3.__________ _________  _________(代表)my colleagues and myself I thank you.

4.There is no point _________   _________  ________   ________(陷入惊慌)about the exams.

5.If you wan to see him, you have to ________   ________  ________(预约).