10． A．difficulty B．speed C．care D．pleasure

9． A．However B．Indeed C．Meanwhile D．Anyway

8． A．shot at B．looked at C．fought with D．ran after

7． A．trained B．rejected C．tall D．violent

6． A．glad B．amazed C．upset D．inspired

5． A．the B．another C．a D．one

4． A．travellers B．engineers C．scientists D．explorers

3． A．basis B．requirement C．result D．preparation

2． A．prove B．analyze C．protect D．check