The real reason why prices ____ , and still are, too high is complex, and no short discussion can satisfactorily explain this problem.
After her son’s death, the old lady __________ sit at the window, deep in thought.
The beautiful stone _________ as much as 2.5 tons was placed in Mr. White’s garden last week.
--- I didn’t believe you made such a mistake. ---Oh, I’m sorry. I did it ___________. I’m serious.
He lifted the receiver as soon as the telephone rang but it on the table at once.A. lay B .lied C laid D lain
smoking is a bad habit. You should it.