| 1 | The lines AB and CD intersect at E. | |
| 2 | In the Chinese chess, the chariot takes in a straight line. | |
| 3 | So you could do an experiment, then, on this line here. | |
| 4 | She ran a straight line underneath the sentence which she thought important. | |
| 5 | Check that your head is in line with your spine. |