| 1. | 3 it is hazardous to ride bicycles in the city area 在市区里骑脚踏车很危险。 |
| 2. | Children are prohibited from riding bicycles on the street 禁止儿童们在街上骑车。 |
| 3. | Later mailmen rode bicycles to send letters 后来,邮递员骑自行车送信。 |
| 4. | Don t ride bicycle crossing the light rail tracks 踏单车横过行人过路处 |
| 5. | Is there maye people who ride bicycle in china 中国骑自行车的人多吗? |
| 6. | B : maybe we should ride bicycles next time 也许下次我们该骑脚踏车。 |
| 7. | For safety reasons , please do not ride bicycle in the park 3中山楼设有小型停车位以供使用。 |
| 8. | You have to watchout when you ' re riding bicycle 你骑车得注意点儿了 |
| 9. | You have to watchout when you ' re riding bicycle 你骑车得注意点儿了 |
| 10. | He taught his children to ride bicycles 他教他的孩子们骑脚踏车。 |