问题描述：
what are______(this)?they are ______(banana) are______(it)rulers no,______aren't用括号中的词填空
those_____(boy)are my students
what colour are the _____(apple)
how many ______(class) do have every day?
those_____(boy)are my students
what colour are the _____(apple)
how many ______(class) do have every day?
问题解答：
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