—Guess what? I happened to have met Mark at the party last week. —If my memory serves me correctly, you two ______ each other for almost ten years.
At the sight of the _________ scene, he was almost _________ to death.
The scientist knew nothing about the matter, because he was always _________ himself in his study.
He said he _________ his work, and then we needed to wait for him for a little while.
How pleasant the picture is to _________!
Jack went to college last year, _________ to return home until he achieves his goal.