单项选择题

Questions 11 to 18 are based on the conversation you have just heard.

A．Joan may have taken a wrong train.
B．Joan won’t come to the conference.
C．Joan will miss the next conference.
D．Joan may be late for the opening speech.
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单项选择题
A．Less than 30 minutes.B．From 30 to 45 minutes.C．At least 45 minutes.D．More than 30 minutes.
A．Less than 30 minutes.
B．From 30 to 45 minutes.
C．At least 45 minutes.
D．More than 30 minutes.
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A．They play against each other in order to get the best score.B．They want to get some exercises.C．They want to win a prize.D．They want to keep a score.
A．They play against each other in order to get the best score.
B．They want to get some exercises.
C．They want to win a prize.
D．They want to keep a score.
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