单项选择题
（） ten minutes earlier, you wouldn’t have missed the train.But you were late.
A．Had you come B．Did you come C．Have you come D．Should you come
单项选择题 Which of the following is an appropriate title for this passage（）
单项选择题 Which is the best title for the passage（）
单项选择题 According to the first paragraph, which of the following statements is TRUE（）
