问题标题：
根据对话内容,在横线处填入正确的单词,补全对话（以下）Helen,what'sthisinEnglish?it'sa71.____.howdoyou72___it?B-A-S-E-B-A-L-L,beaseball.isityourbaseball?no,itisn't.mybrotherlikesppiayingsports.it's73___baseball
问题描述：
根据对话内容,在横线处填入正确的单词,补全对话（以下）
Helen,what'sthisinEnglish?
it'sa71.____.
howdoyou72___it?
B-A-S-E-B-A-L-L,beaseball.
isityourbaseball?
no,itisn't.mybrotherlikesppiayingsports.it's73___baseball.
isthatyour74.___book?
no,itisn't.look!sandra's75.___isonit.it'sherEnglishbook.
根据对话内容,在横线处填入正确的单词,补全对话
华仕容回答：
71.baseball72,spell73,his74.English75.name
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