According to the rules of the factory, you can ask for leave ________ you have a doctor’s diagnosed(诊断) note.
| A．now that | B．if | C．unless | D．even though |
-When did the Great Wall __________？
-In the Qin Dynasty.
| A．come into being | B．come into use |
| C．come into effect | D．come into power |
That was the first time Helen __________ the meaning of love.
| A．understands | B．had understood |
| C．has understood | D．understood |
-I'm going to London next Monday.
-What a __________！ So am I.
| A．conclusion | B．consequence |
| C．coincidence | D．celebration |
We have come to __________ conclusion that the company has been making __________ great progress these months.
| A．the; / | B．the; a |
| C．a; a | D．/；a |
They argued __________ the matter the whole afternoon, and at last agreed __________ the date for the next meeting.
| A．with; with | B．on; on |
| C．about; on | D．over; over |