By midnight, you _______________ for 4 hours. The future perfect ...

★ Progressive Tense

By midnight, you _______________ for 4 hours. The future perfect progressive tense is…

A. will be dancing

B. will have been dancing

C. were dancing

D. had been dancing

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When I came to the school, she…..the classroom.

A. Cleans

B. Is cleaning

C. Was cleaning

D. Cleaned