1．When________ into a warm house，a piece of ice becomes smaller and smaller，until in the end it disappears completely.
A．takes B．taking C．took D．taken
2．The police chief advised his men to keep________ and not lose their tempers.
A．calm B．quiet C．still D．silent
3．I wanted to have a word with her，but she________ me and went away.
A．saw B．calmed C．told D．ignored
