Question

1 many ancient monuments around the world are in /at danger .2 Everyone of us is responsible of /for keeping the planet clean .3 Stonehenge is at /in tisk because of air pollution .

Answer 1

Ответь: 1.many ancient monuments around the world are in danger .2 Everyone of us is responsible for keeping the planet clean .3 Stonehenge is in tisk because of air pollution .

Answer 2

It seems like you have a few sentences with preposition usage that need some corrections. Here are the revised sentences:

1. Many ancient monuments around the world are in danger.
2. Each one of us is responsible for keeping the planet clean.
3. Stonehenge is at risk because of air pollution.

These corrections ensure that the appropriate prepositions are used in each sentence.