Відповідь:

Present Simple Active Voice:

Children chase the dog.

My classmate always does her homework correctly.

My dad buys me this magazine.

Teacher cancels the test, because lots of my classmates are absent.

Present Simple Passive Voice:

The dog is chased by the children.

The homework of my classmate is always done correctly.

This magazine is bought by my dad.

Lots of my classmates are absent, that's why the test is canceled by the teacher.