My siblings clean the house once a week. A. ...

★ Passive Voice Present Simple

My siblings clean the house once a week.

A. The house is clean by them once a week.

B. The house is cleans by them once a week.

C. The house is cleaned by them once a week.

D. The house was cleaned by them.

Preview next quiz:

Rare animals … in many countries.

A. Are protected

B. Protected

C. Protect

D. To be protected