He drank up the whole bottle of milk，not       even a drop to his little brother．

________ himself in the newspaper, he didn’t notice what was happening．

Unless ___ to speak，you should remain silent at the conference． 

____ through Africa, the infectious disease jumping from children to adults killed 1,000 people.

— My son failed to be accepted by the firm after the interview. — Now that he wasn’t well prepared, he might as well ______.