---Can I help you, sir?
---Yes. I bought this radio here yesterday, but it _____.
| A．didn't work | B．wouldn't work | C．can't work | D．doesn't work |
The poor man , ________，ran out of the dark cave.
| A．tiring and frightened | B．tired and frightened |
| C．tired and frightening | D．tiring and frightening |
He asked us to him ______ carrying through their plan.
| A．assist; to | B．assist; by | C．assist; of | D．assist; in |
His report was so exciting that it wasinterrupted by applause（掌声）.
| A．constantly | B．constant | C．seldom | D．never |
I sight of an empty seat at the back of the bus and went directly there.
A. lost B caught C. looked D. took
_______ in a friendly way, their quarrel came to an end.
| A．Being settled | B．Settled | C．Settling | D．Having settled |