-- My birthday is coming. Would you like to my party?-- Sure is it?-- It’s November 20th

问题补充：

-- My birthday is coming. Would you like to my party?

-- Sure, is it?

-- It’s November 20th.

A. Where B. When C. What

答案：

解析：考查情景交际。“我的生日快到了。你愿意来参加我的聚会吗？”“当然。什么时候啊？”根据答语“11月20”可知，问的是时间。A“哪里”；B“何时”；C“什么”。故选B。