Michael put up a picture of Yao Ming beside the bed to keep himself ________ of his own dreams.

The discovery of the new drug is of great significance to people ______ from H1N1.

The secretary worked late into the night,_______ a long, speech for the president.

—Would you like something about my foreign teacher?—Oh, I remember _____ about her yesterday.

  If the bike is broken again, you'll have to pay to _____ .