| 1 | Is this your pen? I found it under the desk. | |
| 2 | It was Iwho(that) met Bob in your room yesterday. | |
| 3 | When singing the "Liao Liao" word for the tone of the liner to sing. | |
| 4 | A fire lookout scanned the hills with binoculars. | |
| 5 | Our lookout spied a man hiding in some bushes. |