помогите пожалуйста, нужно C и D сделать Т^Т

C I usually sleep after dinner.

What do I usually do after dinner?

When do I usually sleep?

Where do I usually sleep after dinner?

Who usually sleep after dinner?

D They are having a test now.

What are they having now?

When are they having a test?

Where are they having a test now?

Who is taking a test now?