''go to the front at once!"the officer said to the soldiers改为间接引语

''go to the front at once!"the officer said to the soldiers改为间接引语
''go to the front at once!"the officer said to the soldiers改为间接引语

''go to the front at once!"the officer said to the soldiers改为间接引语
The officer asked the soldiers to go to the front at once.

The officer said to the soldiers to go to the front at once.
The officer said to the soldiers that they should go to the front at once.

The officer told the soldiers to go to the front at once.