根据下面对话中的情景， 在每个空白处填入一个适当的语句，使对话恢复完整 。
A: Alice , 66. What were you doing ? when the fire started ?
B: I was studying in the library .
A: Did you smell the smoke ?
B: 67. No , but Meimei did .
A: Where was she ?
B: 68. She was playing in the gym .
A: 69. What was John doing ?
B: John was eating lunch in the dining room . Where were you ,Dong ?
A: I was talking on the phone .
B: 70. What did you do ?
A: I called the fire department .
B: Good for you .
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解析：此题考查情景对话，根据上下文的内容把所缺失的语句补充完整。这就考查对整个情景的理解和把握。