找错误,把正确的打出来 He sitting there for a long time without doing anything.把sitting改成sitted

问题描述:

找错误,把正确的打出来 He sitting there for a long time without doing anything.
把sitting改成sitted

He set there for a long time without doing anything.

He has been sitting there for a long time without doing anything.

he has been sitting there......

He has been sitting there for a long time without doing anything.
for a long time 很长一段时间,句子时态用现在完成时

he has sat there for a long time without doing anything.
用现在完成时