—Do you know ______ I could pass the exam? —Sorry, I‘ve no idea.
—When did you buy the book? —Two years ago.That is to say,I________it for two years.
Hurry up!The movie________for ten minutes.
I’ve lived in Maoming________1999. A.for B.by C.since
—________have you been married? —For twenty years.
They________a hit CD in the last six months.