[ Passive Voice ]
They have sent the books to the wrong address.
A. The books had been sent to the wrong address.
B. The books have been sent to the wrong address.
C. The books has been sent to the wrong address.
D. The books is being sent to the wrong address.

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Simple Past or Past ContinuousAdjective and AdverbPresent & Past TensesModals AuxiliaryVerb FormVerb Tenses and Past ParticiplesWh-QuestionPresent TensesPresent Perfect ContinuousContinuous TensesOther quiz:
Grammar › Viewon, in, of, to, above, under, around
A. adjectives
B. helping verbs
C. prepositions
D. infinitives
Grammar › View
Which of the following is a complete sentence?
A. A group of lions may include over ten animals.
B. The diets of both male and female lions.
C. Sleep many more hours per day than humans do.
D. Of a lion in a zoo is twenty to twenty-five years.