| 1 | Sure, be my guest. | |
| 2 | That is of course the best choice. | |
| 3 | He is very intelligent, so of course he can get high marks in the exams. | |
| 4 | This place has convenient transportation, so of course the price will be higher. | |
| 5 | Of course we should respect our parents' opinions, but we also need to consider our own wishes. |
