—She ________ be in the library. She loves reading books when she is free.
—_______. It is dangerous.
—You _______ read it for fun, but don't believe in that.
—Don't worry. Our government has realized this problem. I'm sure there ________ be good news for them soon.
—Sorry, I won't do that again.
—No, you needn't.
—He should, but he _______ not. He likes driving his car.
—Yes, I _______.
—Of course you can.
—No, you may not.