АНГЛИЙСКИЙ ЯЗЫК//ТУСУР//КОНТРОЛЬНАЯ РАБОТА №1//ОТВЕТ НА СКРИНЕ (Решение → 87346)

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.

A digital TV set hangs on the wall. It looks like a picture.

A ___ like a picture when ___ on the wall.