Поставьте вопросы к предложению: а) к подлежащему, b) общий,
c) специальный, d) разделительный, к предложению

Helicopters are widely used in search and rescue operations.

a) What is widely used in search and rescue operations?

b) Are helicopters widely used in search and rescue operations?

c) How are helicopters widely used?

d) Helicopters are widely used in search and rescue operations, aren't they?

Объяснение: