At the meeting they discussed three different____to the study of mathematics.
| A．approaches | B．means | C．methods | D．ways |
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 |
His report was so exciting that it wasinterrupted by applause（掌声）.
| A．constantly | B．constant | C．seldom | D．never |
_______ in a friendly way, their quarrel came to an end.
| A．Being settled | B．Settled | C．Settling | D．Having settled |
Themankeptsilentintheroomunless_______.
| A．spoken | B．speaking | C．tospeak | D．spokento |
Inthetrafficaccident,hisfathercamecloseto________.
| A．bekilled | B．beingkilled | C．kill | D．killing |