—Susan has bought a large house with a swimming pool.

—It ______ be very expensive. I never even dream about it.

A．must               B．might

C．can’t              D．shouldn’t

—I’m a little tired. Let’s go to the zoo by taxi.

—We      take a taxi. It’s not far from here.

A．can’t                 B．mustn’t

C．couldn’t              D．needn’t

—Another cup of coffee?

—No, thanks. I _____ be off. Mary is waiting for me.

A．can               B．may

C．must             D．might

You _______ smoke in the hospital.

A．needn’t             B．oughtn’t to

C．ought to not          D．may not

You’d better _____late again.

A．don‘t              B．not be

C．not being           D．won’t be

You_____ to the meeting this afternoon if you have something important to do.

A．needn’t to come             B．don’t need come

C．don’t need coming          D．needn’t come

To make our city more beautiful, rubbish ______ into the river.

A．needn't be thrown         B．mustn't be thrown

C．can't throw               D．mustn’t throw

—Who is the man over there? Is it Mr Li?

—No, it ______ be him. Mr Li has gone to America.

A．mustn't              B．may not

C．can't                D．needn't

—Must I stay at home, Mum?

—No, you ______.

A．needn't            B．mustn't

C．don't              D．may not

Is this a photo of your daughter？She looks ____ in the pink dress.

A．lovely              B．quietly

C．politely            D．happily