Mary _______ be in the hospital. I saw her play basketball a minute ago.
| A．mustn’t | B．shouldn’t | C．can’t | D．may not |
My new novel has disappeared.Who _______ have taken it?
| A．should | B．must |
| C．could | D．would |
—The winner of the race is a tall and thin boy with thick glasses.
—Then it _______ be my friend, Mike, who looks like a “meat ball”.
| A．mustn’t | B．can’t |
| C．may | D．should |
I am glad that you have managed to come.You _______ have brought wine.We’ve got plenty.
| A．wouldn’t | B．couldn’t |
| C．mustn’t | D．needn’t |
A left-luggage office is a place where bags _______ be left for a short time, especially at a railway station.
| A．should | B．can |
| C．must | D．will |
—I didn’t go to work yesterday because my car broke down.
—You _______ mine.I wasn’t using it then.
| A．might borrow |
| B．could have borrowed |
| C．must have borrowed |
| D．ought to borrow |