6 They have been developing the Cyborg D423 robot for over ten years. in development

Question

Вопрос:

Accepted Answer

Краткое пояснение: Перефразируем предложение, используя конструкцию "in development".

The Cyborg D423 robot has been in development for over ten years.

Ответ: The Cyborg D423 robot has been in development for over ten years