Which sentence contains a verb in passive voice?

AWhere did you find my coat?
BA commencement speech has already been written by the principal.
CTimes like these are precious.
DOur neighbors invited us over for a barbecue.

Verified Answer :

Sentences
can either used as active or passive voices. A sentence is active the subject pf the sentence is the one performing the action with the formula:
subject + verb + receiver of the action. A sentence is passive when the subject
is the one upon by the verb. The formula is subject + be + verb past participle

  • receiver of the action. In the sentences above, the answer is letter B: A commencement speech has

already been written by the principal.

Answer:

B). A machine mixes the concrete with water.

Explanation: