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

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

题目
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
答案
he has sat there for a long time without doing anything.
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