分类：教育/科学-学习帮助
问题：：_isnopossibility_Bobcanwinthefi? 
：_is no psibility_Bob can win the firet prize in the match 中用There that还是It that.原因.
回答：肯定是there that.
用it that应该是:It is impossible that Bob can win the firet prize in the match .   形式主语it 的结构一班是主系表结构.