For Chinese,2008 is ______special year, ______ year when the 29th Olympics were held in China for the first time and ______ one that saw so many natural disasters.
| A．a, the, the | B．the, a, the | C．a, the,不填 | D．a, a,不填 |
Science and technology have in important ways contributed to the improvement of agricultural production.
| A．contributed to | B．resulted from | C．carried off | D．handed over |
He is very sick. I insist that a doctor __________ immediately.
| A．has been sent for | B．sends for | C．will be sent for | D．be sent for |
In the novel, the two cities referred to __________ London and Paris.
| A．be | B．being | C．are | D．was |
All the task __________ ahead of time, so they decided to go on holiday for a week.
| A．having finished | B．had finished | C．having been finished | D．had been finished |
—I didn’t know this was a one-way street, officer.
—________.
| A．That’s all right. | B．I don’t believe you. |
| C．How can you say that? | D．Sorry, but that’s no excuse. |