—Must I go to the shop with you，Mum?
—Err... I can make it myself，Mike. You         go with me.

 —Must I go through the radiation (辐射) check when I come back from Japan at the airport these days?

—Yes, you ______.

    A. can          B. may          C. might            D. must

—Must I go there right now, mum?

—No, you ____. You can go there tomorrow.

A．shouldn’t        B．can’t            C．mustn’t          D．needn’t

—Must I go home?

—No,  you ________.