开始：Welcome to 《speak English program》, I am your host-xxx。In today's program, we will be discussing these topic
结束语：Thank you for your listening,，it is time to say goodbye ， see you tomorrow
写的不好，仅作抛砖引玉了。
start：Good morning/afternoon ! it's time for
end:is is the time to say goodbye.thanks for your listening.at the same time tomorrow .we will meet there.
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