26.What would have happened ______ ,as far as the river bank/

26.What would have happened ______ ,as far as the river bank/
a.Bob had walked farther b.if Bob should walk farther
c.had Bob walked farther d.if Bob walked farther
为什么

What would you have? what would you like to have? — What would you like to have? What would you have done 这句英文是什么意思 What would you like to have,meat or fish? what difficulties would people have when living abroad what do you have for lunch?和what would you like for lunch?有什么区别? What would you like to be if you have a second life? What would have happened _____ , as far as the river bank? 英语选择：What would have happened if you ___ her child ? 应选什么？为什么？