[ Active and Passive Voice ]
Someone cleaned the office yesterday.
A. The office was cleaned by someone yesterday.
B. The office is cleaned by someone yesterday.
C. The office had cleaned by someone yesterday.
D. The office had been cleaned by someone yesterday.

Random Topics:
Contractions and ConjunctionsPersonal PronounModals and ConditionalsNoun and PronounTenses and Verb FormsMay, MightPassive Voice Present SimpleVerb BETime ClausePast Perfect and Past Perfect ContinuousOther quiz:
Subject Verb Agreement › ViewIdentify the object in the sentence “The dog chased the cat.”
A. The dog
B. Chased
C. The cat
D. None of the above
Plural › View
The plural form of deer is…
A. Deer
B. Deers
C. Deres