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题目内容
（石家庄铁道大学大学英语1）
The professor said he could talk on _____ interested the audience.
A、 . any topic
B、 which topic
C、 whichever topic
D、 the topic he thought it
A、 . any topic
B、 which topic
C、 whichever topic
D、 the topic he thought it
参考答案