10. Jack is very proud of his fancy new motorcycle. He has been _____ to all his friends about how cool it looks and how fast it runs.
(A) boasting (B) proposing (C) gossiping (D) confessing
10. Jack is very proud 自豪的of his fancy 花俏 幻想 想要new motorcycle.摩托車 He has been(A) boasting吹噓to all his friends about how cool it looks and how fast it runs.