Use a time expression with past perfect continuous tense. ...

[ Verb Tenses ]

Use a time expression with past perfect continuous tense.

A. had been studying

B. had been studyinged

C. had studying

D. had been study

Select your answer:

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A group of people protested or _____ when the board refused the use of the high school for Marian’s concert.

A. resigned

B. picketed

C. distinguished

D. barred