1．The time he has devoted in the past ten years ________ the disabled is now considered ________ of great value.
A．to help；being B．to helping；to be C．to help；to be D．helping；being
2．As a(n)____________ his contribution to botany，Joseph Banks had a flower named after him.
A．reward for B．reward with C．award for D．award with
3．The Red Army soldiers had to fight ______ all kinds of difficulties in their fight ______ the people’s freedom.
A．for；for B．with；with C．against；against D．against；for
