._____ the book where it was ______.

_______ was at the end of the meeting that Mr. Smith made the decision .

Scientists photographed for the first time ever _____ wild gorillas used a stick to test the depth of a pool before getting into it, according to a recent study.

----Have you known Professor Jackson in our department for a long time ? ----Yes, since he _____ the our university.

I thought Jim would say something about his school report, but he ______ it.