1. choice n. 選擇,挑選,抉擇
We each had to make a choice.
我們每個人都必須做出選擇、
2. completely adv. 完全地,十分地,全然
She tried to understand the instructions, but she was completely at sea.
她費盡力氣想看懂那些說明文字,卻全然不知所云。
3. matter vi. 有關系,要緊
It doesn't matter about the price.
價格沒關系。