Which of the following sentences is in the passive voice?

• The committee approved the new policy.
• The new policy was approved by the committee.
• The committee is discussing the new policy.
• The committee was approved by the new policy.

What is the passive voice form of "The chef cooked the meal"?

• The meal is cooked by the chef.
• The meal was cooked by the chef.
• The meal has been cooked by the chef.
• The meal will be cooked by the chef.

Rewrite the following sentence in passive voice: "The teacher graded the exams."

• The exams were graded by the teacher.

"The house was built in 1990" is an example of active voice.