write 10 sentences with appropriate preposition

- I don’t care for your objections. I have decided to do it.
- She is anxious to hear from her son.
- I was amazed at her performance.
- I am not aware of their plans.
- She is rather backward in her studies.
- He is quite confident of success.
- I am fully conscious of my responsibilities.
- She is a disgrace to her family.
- There is still no cure for cancer.
- The officer was entrusted with the task of suppressing the riots.