The meeting had been on for half an hour _______ Miss Yang turned up.
| A．while | B．As | C．Unless | D．before |
Good news! The price of all those second-hand goods is ________ before.
| A．30% as lower as | B．30% lower than |
| C．lower 30% than | D．as 30% low as |
Students in English-speaking countries usually address their man teacher ‘sir”, but __________ their woman teacher “madam”.
| A．seldom they address | B．do they seldom address |
| C．seldom do they address | D．they seldom do address |
I am _______ about what I say because careless remarks are likely to hurt others’ feelings.
| A．absurd | B．concerned | C．guilty | D．cautious |
They discussed the issue of the world’s climate in Durban, South Africa several times but could come to no ________.
| A．end | B．conclusion | C．result | D．judgment |
----Matthew said that he was very _______. How about Jack?
----He was satisfied with Matthew’s _______, and wanted the unpleasant business over.
| A．frightened; suggestion | B．sorry; offer |
| C．sorry; apology | D．pleased; request |