Question

【题目】When you use up all the electricity in the battery, the phone stops working you recharge it.

A. if B. since C. although D. until

Answer 1

【答案】D

【解析】考查从属连词。句意：当你用光了电池里所有的电时，电话会停止工作，直到你重新充电。根据句意可知，应选until＂直到……才……＂。