YOU SAID:

they can't call for help because the radio has been destroyed

INTO JAPANESE

無線が破壊されているので、彼らは助けを呼ぶことはできません

BACK INTO ENGLISH

Since the radio has been destroyed, they will not be able to call for help

INTO JAPANESE

無線が破壊されたので、彼らは助けを呼ぶことができません

BACK INTO ENGLISH

Since the radio was destroyed, they will not be able to call for help

INTO JAPANESE

無線が破壊されたので、彼らは助けを呼ぶことができません

BACK INTO ENGLISH

Since the radio was destroyed, they will not be able to call for help