most americans remenber.what were they do-ing?(合并为一句)

most americans remenber.what were they do-ing?(合并为一句) I looked inside.I wanted to see what they were doing合并为一句 They sang in the park.They were happy.（合并为一句）They ____ _____ Some dinosaurs were fierce.They were like tigers.(合并为一句) 9.Most Americans remember what they were doing when the Worl They sang in the park.They were happy.(合并为一句) The bus left.They were talking happily.(合并为一句) we found some boys.they were playing chess.合并为一句 Who is the most interesting player?Do you think?（合并为一句） -Who is the most interesting player?-Do you think?合并为一句 Do you know What should we do?（合并为一句） Do They remenber what they were doing when they herd about the