[請益] before/after用法

[w25898387 (旺旺寶)]

Timmy cannot eat his dessert _______ he finishes eating his vegetables.

A. before
B. after

答案是B. after
解釋：Timmy 在吃完蔬菜前是不能吃甜點的。

請問為什麼答案是after，而不是before呢？謝謝。


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推 BAGeo: 從時間軸看，吃點心在吃蔬菜的後面
推 IcecreamHsu: 這一題剛好前幾天有寫到 應該是答案給錯了
→ IcecreamHsu: 因為是cannot eat 所以是before吧
→ LaPAELLA: ....誰知道阿 人家高興怎麼吃就怎麼吃啊=  =
→ evemindow: can用after,can not用before，應該是因為句子是finishi
→ evemindow: ng
→ evemindow: 用eating,我也困惑了