1) The office is cleaned every day. a) active voice b) passive voice 2) The office was cleaned yesterday. a) active voice b) passive voice 3) Susan cleans her room every morning. a) active voice b) passive voice 4) Susan's room is cleaned every morning. a) active voice b) passive voice 5) Butter is made from milk. a) active voice b) passive voice 6) You make butter from milk. a) active voice b) passive voice 7) I am never invited to parties. a) active voice b) passive voice 8) Nobody invites me to parties. a) active voice b) passive voice 9) This house was built 100 years ago. a) active voice b) passive voice 10) Somebody built this house 100 years ago. a) active voice b) passive voice 11) These houses were built 100 years ago. a) active voice b) passive voice 12) Someone built these houses 100 years ago. a) active voice b) passive voice 13) When was the telephone invented? a) active voice b) passive voice 14) Who invented the telephone? a) active voice b) passive voice 15) Was anybody injured in the accident? a) active voice b) passive voice 16) I injured myself in the accident. a) active voice b) passive voice

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