It's not easy to change habits，________ with awareness and self－control，it is possible.
| A．for | B．or | C．but | D．so |
Listeners are often advised to___what the speaker is going to deliver in his speech as a whole rather than a point or two in it
| A．seize |
| B．snatch |
| C．grasp |
| D．master |
A new___bus service of Tianjin Airport started to operate two months ago
| A．normal |
| B．usual |
| C．regular |
| D．common |
John was late for the business meeting because his flight had been___by a heavy storm
| A．kept |
| B．stopped |
| C．slowed |
| D．delayed |
Last week,parts of China were struck by heavy snow,from___effects the people are still suffering
| A．that |
| B．whose |
| C．those |
| D．what |
This is a 24-hour armistice,___it allows the two parties to bury the dead
| A．why |
| B．when |
| C．which |
| D．what |