When I was a baby,my mother often kept me danger.

Mary’s sister looks very beautiful now.— But she was very ugly before she tidied up herappearance. You _________ believe it!

Were you all frightened at the sound of the fire alarm?— No. Everyone stayed _______ and obeyed the police.

_____ the new policy, we are now having a happy life

下列各句中，没有语病的一句是（ ）