问题描述：
根据对话内容,用恰当的单词,短语,或句子补全对话
A：Mike,what were you doing at 4:00 yesterday afternoon?I called you but you didn't ().B:Oh,a car accident () near my house.I went to help.A:Can you tell me something about the accident?B:OK.A man was riding his bike too fast () a car hit him.A:Sorry to hear that.We must be careful.B:().Eric,why did you call me?A:Oh,Mike.()?B:Yes,sure.But why do you want me to take care of your pet dog?A:Because I'll fly to China tomorrow.
A：Mike,what were you doing at 4:00 yesterday afternoon?I called you but you didn't ().B:Oh,a car accident () near my house.I went to help.A:Can you tell me something about the accident?B:OK.A man was riding his bike too fast () a car hit him.A:Sorry to hear that.We must be careful.B:().Eric,why did you call me?A:Oh,Mike.()?B:Yes,sure.But why do you want me to take care of your pet dog?A:Because I'll fly to China tomorrow.
问题解答：
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