在下面对话空白处填入适当话语（话语可以是句子、短语或词）使对完整。
A: May I speak to Nick?
B: This is Nick speaking.
A: Hi, Nick！ I haven’t seen you for a long time. What 小题1:________to you?
B: I have been in hospital.
A: Oh, 小题2: ________ . But for what?
B: I 小题3:___________ three weeks ago.
A: Really?小题4:___________?
B: Yes. But luckily, only my left arm was broken. And I can move it now.
A: Good. But how did it happen?
B: I was driving fast to work on that rainy morning. I couldn’t stop my car and it 小题5:________ another car.
A: Oh, you should drive slowly.
小题1:has happened
小题2:sorry to hear that
小题3:had a car/ traffic accident / had an accident
小题4:Were you hurt?
小题5:hit
题目分析：
小题1:根据A的陈述I haven’t seen you for a long time. 和后面B的回答I have been in hospital.可知，A是询问他怎么了，即What has happened to you？故答案为has happened
小题2:听到对方生病住院表达遗憾和难过，故答案为sorry to hear that
小题3:针对A的提问But for what?可知，B叙述他住院的原因，故答案为had a car/ traffic accident / had an accident
小题4:根据后面B的回答Yes. But luckily, only my left arm was broken.，A是在问他在事故中是否受伤，故答案为Were you hurt?
小题5:本句叙述事故的过程，因为开的过快，没有来得及停车而撞到了另一辆车上；故答案为hit