they saw two thieves in the street.they were surprised.(合并一句

To their s_____,they saw two thieves were running out of the They were walking in the street( ) he saw them They sang in the park.They were happy.（合并为一句）They ____ _____ They sang in the park.They were happy.(合并为一句) They were surprised when they hear the news 同义句 I saw they were running down the street last night.同义句转换 I saw they were running down the street last night. they were walking in the street ___ They were surprised at the news I saw that they were watching TV in the hall We found some boys in the room.They were playing chess.(合并为一 The bus left.They were talking happily.(合并为一句)