After half an hour,the next bus came.(同义句转换) Half an hour （　）,（　）bus came.

After half an hour,the next bus came.(同义句转换) Half an hour （　）,（　）bus came.
After half an hour,the next bus came.(同义句转换) Half an hour （　）,（　）bus came.

After half an hour,the next bus came.(同义句转换) Half an hour （　）,（　）bus came.
later another

later , another

passed another

前一空填later，后一空填another。later是“...之后”的意思，another是“另一，又一”，是指三者或三者以上的另一，又一