选出词汇填入空格。

1．My sister is __________________. She has got used to having her own way.

2．They said that their talk would be held in the __________________ of a judge panel.

3．I was giggling __________________ because I was a bit nervous

4．A brilliant idea __________________ to her and a mysterious smile came over her face

5．The instruments make great harmonies and the sound is quite__________________