_______ a report, some 844 animals and plants have disappeared in the last 500 years.
—Didn’t the guard see him breaking into the bank? —No, he _______ in the other direction.
“I suppose you _____ that report yet?” “I finished it yesterday, as a matter of fact.”
I tried to phone her, but even as I _____ she was leaving the building.
The students _______ busily when Miss Brown went to get a book she _______ in the office.
I think you must be mistaken about seeing him at the theatre; I’m sure he _____ abroad all week.