| 1 | He spares no pains. | |
| 2 | He spares no pains to study English. | |
| 3 | We bent over backwards to help him, and he never even thanked us! | |
| 4 | They had been at pains to examine all the statistics. | |
| 5 | The only prerequisite for the course is the 'willingness to work for long periods in snow, cold and mud' . |
Copyright © Purple Culture Co., Ltd. 2001 - 2026. All right reserved.
