| 1. | The brass plate must be adherent to the steel . 黄铜片必须和钢粘结。 |
| 2. | She must be made to comply with the rules . 必须强迫她遵守这些规则。 |
| 3. | The prodigal handouts should continue . 这些慷慨的施舍必须继续下去。 |
| 4. | We must make allowances for his ignorance . 我们对他的无知必须谅解。 |
| 5. | You will have to compensate us for the loss . 你必须赔偿我们的损失。 |
| 6. | The matter is urgent and must be dealt with at once . 必须立即处理。 |
| 7. | A laboratory must be kept in good order . 实验室里必须保持井井有条。 |
| 8. | Wealth must justify itself in happiness . 财富必须在快乐中证明自身。 |
| 9. | We must evacuate those soldiers at once ! 我们必须立即撤出这些士兵! |
| 10. | I shall have to toil and moil all my days . 我必须一年到头拼命地干。 |