We wanted to keep the gift as a surprise for mother but my sister gave the game away.

Options

A. lost the game
B. gave out the secret
C. played badly
D. withdrew from the game

Answer

B

Explanation

gave the game away : be tray: to make known something that somebody wants to keep secret Though they were the oldest of the employees of the company, they were giving the game away. The best option is gave out the secret.