Help with 2 easy grammar questions?

Question

kmullis6 · Answer

Make the following sentence more active: The test was completed by the student.

 The test was quickly completed by the student.
 The student was tested by the teacher. 
 The test was aced by the student.
 The student completed the test. <---- my answer

Make the following sentence more active: Five books in the series have been written by the author.

 Five excellent books in the series have been written.
 The author has written five books in the series. <---- my answer
 The author's books have been read by millions of readers.
 Five books have been penned by the brilliant author.

vocaloid · Answer

great!

kmullis6 · Answer

So those are correct? I just wanted to make sure I understood the lesson.. @Vocaloid

vocaloid · Answer

yes