Which has a different sound from the other three?
—What time will Mr Brown be back to China?—Sorry. I don’t know ______.
—You have seen the film Rush Hour, haven’t you?—______________. How I wish to see it again!
—May I borrow this dictionary ? —Sorry. This is not _____. It’s Lily’s .
—Why did _____ take Aunt Molly almost an hour to get home ?—I don’t know . Maybe there was something wrong with her car .
—______will Mr. Green be back ? —In a week, I think .