More and more people are aware ________ the importance of communication skills

Question 26. More and more people are aware ________ the importance of communication skills.

Question 27. I'm not frightened ________ the dark because it makes me invisible.

Question 28. He is responsible ________ protecting the treasure.

Question 29. I think the people of the former colonies are happy to be independent ________ the colonial power.

Question 30. I have been kept very busy ________ these exercises.