单选题 If you keep on, you'll succeed ______.
  • [A] in time
  • [B] at one time
  • [C] at the same time
  • [D] on time


【正确答案】 A
【答案解析】考查固定搭配。in time一段时间后,及时at one time曾经,一度at the same time同时on time准时,按时。四个选项中,只有[A]可用于将来时态。