For sustainable development, the government has decided to give __________ to those energy conserving and environmental-- friendly business in many aspects.
| A．profit | B．interest | C．advantage | D．preference |
My parents _______ have arrived at suppertime but their flight was held up due to the heavy fog.
| A．will | B．can |
| C．must | D．should |
The manager believes prices will not rise by more than _______ four percent.
| A．any other | B．the other |
| C．another | D．other |
—Thank you for joining in our conversation tonight.
—_____.
| A．It’s my duty | B．It’s all right |
| C．It’s my pleasure | D．With pleasure |
He is a difficult person, for he ___________________ about everything.
| A．often complained | B．is always complaining |
| C．complains | D．will complain |
He ________ his aunt the day he arrives in Beijing.
| A．visits | B．is visiting |
| C．visited | D．is going to visit |