8.About 80 percent of the students in our school_____ been working on the program and about two-thirds of the work _____been finished.
It was foolish ________ you to give up what you rightly owned.
To fetch water before breakfast seemed to me a rule ________.
The patient was warned ________ oily food after the operation.
—What's the matter with Della? —Well,her parents wouldn't allow her to go to the party,but she still ________.
—Would you like to join me for a quick lunch before class? —________,but I promised Nancy to go out with her.