窗口將在 5秒后自動關閉.
boast
vi.
上尉老是自誇陣前之勇。
vt.
我們學校圖書館以藏有好多珍本書而自豪。
以上來源於：《英漢大辭典》
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文法測驗
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
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