Jenny，you ________ play with the knife；you ________ hurt yourself.

All the doctors in the hospital insisted that he ____ badly wounded and that he ____ at once.

——Can I pay the bill by check?——Sorry, sir. But it is the management rule of our hotel that payment ____ be made in cash.

Supposing the weather ________ bad, where would you go ?

It’s hard to say what kind of person he is. Sometimes he is very nice; at other times he _______ be very cold.