Anna, you look so tired and wet all over!—Well, you know, all morning I _______ my books to my new office on the third floor

lace is heavily guarded, because inside its walls ________.

How do you like Li Yundi–A cool guy! His music really beautiful.

下列各句中，加点的成语使用正确的一项是

You must be more careful and _____ the same mistakes you’ve ever made.