Question

【题目】—When did you go to bed last night?—I didn't go to bed ___ I finished reading the novel.

A. if B. until C. though D. because

Answer 1

【答案】B

【解析】句意：——昨天晚上你什么时候去睡觉？——我直到读完小说才去睡觉。not---until--- 直到---才---；if如果，是否；though尽管；because因为；故选B