30. “Haven’t seen you for ages! Do you still work in Guangzhou?” “_______. It’s two years since I worked there.”

    A. Yes, I have                                 B. Yes, I do

    C. No, I haven’t                              D. No, I don’t

  【解析】D。要做对此题,首先要正确理解 It‘s two years since I worked there 的意思。按英语习惯,since用作连词时,它所引导从句的谓语通常应是非延续性动词,若为延续性动词或状态动词,则它所表示的动作或状态的应是其完成或结束(而不是其开始)。

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