I tried more than once to persuade the taxi driver to slow down, but he just __________ listen.

They can hardly move at all, _____________?

-Must I use both hands?-Yes, you _____.

---Whose is the pencil box?---It _____ be Tom’s. Look at his name on the cover!

To forbid the cheating strictly in this important exam, the authorities have released a rule that students _________ bring any reference books and stationery into their classrooms.