| 1 | You're leaving so early for your office? | |
| 2 | If it rains tomorrow, the excursion will be postponed. | |
| 3 | They've built so many new office buildings here that they have trouble renting out all the space. | |
| 4 | This is a dangerous situation which could lead to political degeneration. | |
| 5 | It may not be easy to find another one as honest and efficient as he is. |