Question

【题目】On weekends, Li Gang always plays computer games _____ it is very late at night.
A.after
B.before
C.until
D.when

Answer 1

【答案】C
【解析】after“在……之后”；before“在……以前”；when“当……时候”；until“直到……为止”。根据句意可知在周末，李刚总是玩游戏直到深夜。故选C。