[ Perfect Tenses ]
Provide an example of a sentence in past perfect continuous tense.
A. He has been waiting for the bus for over an hour.
B. She was waiting for the bus for over an hour.
C. They will be waiting for the bus for over an hour.
D. She had been waiting for the bus for over an hour.
Select your answer:
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I______________this book since morning.
A. had been reading
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