情景交际。补全对话，每空一词。 A: May I speak to Mary? B: This is Mary 1______. A: Hi, Mary. I haven't seen you for a long time. What has 2______ to you? B: I have been in 3______. A: Oh, sorry to hear that. But for 4______? B: I had a car 5______ three weeks ago. A: Really? So you were 6______. B: Yes. But 7______, only my left arm was broken. And I can move it now. A: Good. How did it 8______? B: I was driving fast to work on that rainy morning. I can't stop my car and it 9______ another car. A: You were driving too fast. B: Yes. 10______ of the accident, I have to stay in hospital.