根据对话内容，从方框内选择恰当的句子填入对话相应的空白处，使对话完整，合乎情景(有两个多余选项)。
A：Hello，Mike! What's the time?
B：(1) D
A：Where’s Bob? I can't find him.
B：I don't think he can e.
A：(2) A
B：He has to look after his sister.
A：(3) G
B：She doesn't feel well.
A：(4) B Did she go to see the doctor?
B：Yes．
A：(5) E
B：The doctor said nothing serious，but she has to rest.
A. Why can't he e?
B. I'm sorry to hear that.
C. Where did the doctor go?
D. It's half past eight.
E. What did the doctor say?
F. I'm glad to hear that.
G. What’s wrong with his sister?
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解析：
【小题1】回答几点。
【小题2】根据上文I don't think he can e.可知。
【小题3】根据下文She doesn't feel well可知“他妹妹怎么了？”。
【小题4】听到不好的消息时说“I'm sorry to hear that.”。
【小题5】根据答语The doctor said nothing serious可知。