do you know how he went across the river 这个句子有语法错误码

do you know how he went across the river 这个句子有语法错误码 he went across the river如果去掉went这个句子还对吗? He is swimming across the river.用across the river提问英语句子 How long is the Changjiang river?Do you know...改为主从复合句.Do yo how brave he was!he was able to swim across the river in suc How to go across the river? The river is half a mile across 这个句子中 副词 across 修饰什么? How do you know he is depressed? he is swimming across the river改错 He swam across the river last year.为什么用across I won't allow you to swim across the river,even if you----do – Do you know why the river was polluted?