_______ in the regulations that you should not tell other people the password of your e-mail account.

Mrs Li is planning ______ Beijing with hercousin.

At minus 130℃, a living cell can be ____ for a thousand years.

He has little acquaintance _______ music , while he has a wide knowledge ____ painting

He lost both of his parents in the big earthquake, but ________ for him, a kind couple adopted him and took good care of him[ ]