Don't talk with each other _____ supper.用介詞填空

題目：

Don't talk with each other _____ supper.用介詞填空

解答：

over
用法：
(表示時間或過程)在…期間; 在從事…的時候
Will you be at home over Christmas?
你聖誕節期間在家嗎?
The leaders met over informal lunches.
領袖們在非正式午餐時進行會晤.
They discussed it over a game of golf.
他們一邊打高爾夫球,一邊討論.