Question

Объедините два предложения в одно с простой формой причастия I согласно модели. Model: The engineers designed a new device. They have to solve a few problems. The engineers have to solve a few problems (while/when) designing a new device. These facts illustrate his theory. They sound convincing. These (Ответ) convincing when (Ответ)

Answer 1

Ответ: These facts sound convincing when illustrating his theory.

Answer 2

The engineers have to solve a few problems when designing a new device, illustrating his theory, which sounds convincing.