| 1 | The policy of taking full responsibility for a task helps to heighten the farmers' enthusiasm. | |
| 2 | We are on duty today, let's clean the classroom and the school yard. | |
| 3 | The present invention relates to the preparation process of dry vibrating material for middle ladle. | |
| 4 | There must be a timetable for prospecting and design, and there must be people in charge of monitoring each undertaking. | |
| 5 | You can't do everything for your children: there comes a time when they must leave home and spread their wings. |
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