1. If we want to arrive at the village on time，we’d better __________.
A．sweep up B．speed up C．call up D．turn up
2. Who ________ a theory about black holes?
A．put forward B．put down C．put away D．put off
3．But he became ________ when he thought about helping ordinary people ________ to cholera.
A．inspired；exposing B．inspired；exposed C．inspiring；exposing D．inspiring；exposed
