第1个回答 2011-09-26
1.I was seeing that they are talking when I cross the road
2.They study very hard ,so the grades are all good
第2个回答 2011-09-26
I was crossing the street, see them talking in the.
They study very hard, examination results are very good.
第3个回答 2011-09-26
1.I was crossing the road, I saw them talking
2.They are work hard test scores are good.