问题标题:
thisisthefirststorysbook_____Ireadwheniwasyoung
问题描述:
thisisthefirststorysbook_____Ireadwheniwasyoung
田爱民回答:
that
刘天田回答:
which不可以吗
田爱民回答:
有序数词,only,不定代词只能用that
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