问题
选择题
____about the experience in the tourist attraction, he feels very excited and with it.
A．To talk
B．On talking
C．By talking
D．Talk
答案
答案：B
题目分析：考查介词+动名词的用法：句意：一谈到在旅游景点的经历，他就感到非常兴奋。On doing“一…就…”，选B。
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